ATLANTIC RICHFIELD CO /DE
10-Q, 1998-11-16
PETROLEUM REFINING
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                    SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C.   20549
                                     
                             ________________
                                     
                                 FORM 10-Q
                             ________________
                                     
                                     
          QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                      SECURITIES EXCHANGE ACT OF 1934
                                     
                             ________________
                                     
                                     
For the quarterly period ended September 30, 1998     
Commission file number 1-1196

                             ________________
                                     
                                     
                        ATLANTIC RICHFIELD COMPANY
          (Exact name of registrant as specified in its charter)
                                     
                             _________________
                                     

                 Delaware                              23-0371610
       (State or other jurisdiction of               (I.R.S. Employer
        incorporation or organization)              Identification No.)

         515 South Flower Street
         Los Angeles, California                         90071
   (Address of principal executive offices)            (Zip code)

                            __________________
                                     
                                     
                              (213) 486-3511
           (Registrant's telephone number, including area code)

                            __________________
                                     
                                     
                              Not Applicable
              (Former name, former address and former fiscal
                    year, if changed since last report)

      Indicate  by  check mark whether the registrant  (1)  has  filed  all
reports  required  to  be filed by Section 13 or 15(d)  of  the  Securities
Exchange  Act  of 1934 during the preceding 12 months (or for such  shorter
period that the registrant was required to file such reports), and (2)  has
been subject to such filing requirements for the past 90 days.
Yes  X    No
    ---      ---

      Number of shares of Common Stock, $2.50 par value, outstanding as  of
September 30, 1998:  321,220,031.


<PAGE>
                      PART I.  FINANCIAL INFORMATION
<TABLE>
<CAPTION>
         ATLANTIC RICHFIELD COMPANY AND CONSOLIDATED SUBSIDIARIES
               CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)
                                     
                     CONSOLIDATED STATEMENT OF INCOME
                                     
                                     Three Months Ended    Nine Months Ended
                                        September 30,        September 30,
                                     ------------------    -----------------
                                       1998       1997      1998      1997
                                       ----       ----      ----      ----
                                               (Restated)           (Restated)
(Millions except per share amounts)
<S>                                   <C>        <C>       <C>       <C>
Revenues
  Sales and other operating revenues. $ 2,655    $ 3,494   $ 7,755   $10,920
  Other revenues. . . . . . . . . . .     146        110       346       358
                                       ------     ------    ------    ------
                                        2,801      3,604     8,101    11,278
                                       ------     ------    ------    ------
Expenses
  Trade purchases . . . . . . . . . .   1,039      1,581     3,096     5,036
  Operating expenses. . . . . . . . .     919        808     2,013     2,035
  Selling, general and
    administrative expenses . . . . .     187        213       572       597
  Depreciation, depletion and
    amortization. . . . . . . . . . .     546        360     1,334     1,047
  Exploration expenses (including
    undeveloped leasehold
    amortization) . . . . . . . . . .     135        113       410       329
  Taxes other than income taxes . . .     121        147       397       487
  Interest. . . . . . . . . . . . . .     123        114       326       246
                                       ------     ------    ------    ------
                                        3,070      3,336     8,148     9,777
                                       ------     ------    ------    ------

Income (loss) before income taxes,
  minority interest and
  extraordinary item. . . . . . . . .    (269)       268       (47)    1,501
Provision (benefit) for taxes on
  income. . . . . . . . . . . . . . .    (138)        52      (128)      463
Minority interest in earnings of
  subsidiaries. . . . . . . . . . . .       7          9        21        31
                                       ------     ------    ------    ------

Income (loss) from continuing 
  operations before extraordinary
  item. . . . . . . . . . . . . . . .    (138)       207        60     1,007
Income (loss) from discontinued
  operations, net of income taxes
  of $97 and $186 (1998) and
  $(22) and $45 (1997). . . . . . . .     (78)        18        98       209
Gain on disposition of ARCO
  Chemical stock, (net of income
  taxes of $1,540). . . . . . . . . .   1,088          -     1,088         -
Gain on disposition of Lyondell
  Petrochemical stock (net of
  income taxes of $342) . . . . . . .       -        291         -       291
                                       ------     ------    ------    ------

Income before extraordinary item  . .     872        516     1,246     1,507
Extraordinary loss on
  extinguishment of debt (net of
  income taxes of $74). . . . . . . .       -          -         -      (118)
                                       ------     ------    ------    ------
Net income. . . . . . . . . . . . . . $   872    $   516   $ 1,246   $ 1,389
                                       ======     ======    ======    ======

Earned per Share
  Basic
    Continuing operations . . . . . . $ (0.43)   $   .65   $  0.18   $  3.13
    Discontinued operations . . . . .    3.14        .96      3.70      1.56
    Extraordinary loss. . . . . . . .       -          -         -      (.37)
                                       ------     ------    ------    ------
    Net income  . . . . . . . . . . . $  2.71    $  1.61   $  3.88   $  4.32
                                       ======     ======    ======    ======
  Diluted
    Continuing operations . . . . . . $ (0.42)   $   .64   $   .18   $  3.08
    Discontinued operations . . . . .    3.09        .93      3.63      1.52
    Extraordinary loss. . . . . . . .       -          -         -      (.36)
                                       ------     ------    ------    ------
    Net income. . . . . . . . . . . . $  2.67    $  1.57   $  3.81   $  4.24
                                       ======     ======    ======    ======

Cash Dividends Paid per Share of
  Common Stock. . . . . . . . . . . . $ .7125    $ .7125   $2.1375   $2.1125
                                       ======     ======    ======    ======                                     
</TABLE>
     The accompanying notes are an integral part of these statements.

                                  - 1 -

<PAGE>
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                        CONSOLIDATED BALANCE SHEET
                                     
                                               September 30,   December 31,
                                                    1998           1997
                                               -------------   ------------
                                                                (Restated)
(Millions)
<S>                                               <C>            <C>
Assets
Current assets:
  Cash and cash equivalents. . . . . . . . . . .  $ 1,070        $   434
  Short-term investments . . . . . . . . . . . .      232            222
  Accounts receivable. . . . . . . . . . . . . .      975            929
  Inventories. . . . . . . . . . . . . . . . . .      502            456
  Prepaid expenses and other current assets. . .      307            204
                                                   ------         ------
  Total current assets . . . . . . . . . . . . .    3,086          2,245
                                                   ------         ------
Investments and long-term receivables:
  Investments accounted for on the
    equity method. . . . . . . . . . . . . . . .    1,339            763
  Other investments and long-term receivables. .      742          1,820
                                                   ------         ------
                                                    2,081          2,583
                                                   ------         ------
 
Net property, plant and equipment. . . . . . . .   19,499         13,560

Net assets of discontinued operations. . . . . .      188          2,777
Deferred charges and other assets. . . . . . . .    1,376          1,260
                                                   ------         ------
Total assets . . . . . . . . . . . . . . . . . .  $26,230        $22,425
                                                   ======         ======
</TABLE>
     The accompanying notes are an integral part of these statements.
                                     
                                   - 2 -

<PAGE>
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                        CONSOLIDATED BALANCE SHEET
                                     
                                                September 30,   December 31,
                                                     1998           1997
                                                -------------   ------------
                                                                 (Restated)
(Millions)
<S>                                                <C>            <C>
Liabilities and Stockholders' Equity
Current liabilities:
  Notes payable . . . . . . . . . . . . . . . . .  $ 1,180        $ 1,456
  Accounts payable. . . . . . . . . . . . . . . .    1,058            948
  Long-term debt due within one year. . . . . . .      126            164
  Taxes payable. . . . . . . . . . . .  . . . . .    1,893            308
  Other . . . . . . . . . . . . . . . . . . . . .    1,046            953
                                                    ------         ------
  Total current liabilities . . . . . . . . . . .    5,303          3,829
                                                    ------         ------

Long-term debt. . . . . . . . . . . . . . . . . .    4,511          3,619
Deferred income taxes . . . . . . . . . . . . . .    3,605          2,661
Other deferred liabilities and credits. . . . . .    3,997          3,396
Minority interest . . . . . . . . . . . . . . . .      257            240
Stockholders' equity:
  Preference stocks . . . . . . . . . . . . . . .        1              1
  Common stock. . . . . . . . . . . . . . . . . .      815            807
  Capital in excess of par value of stock . . . .      851            640
  Retained earnings . . . . . . . . . . . . . . .    7,612          7,054
  Treasury stock. . . . . . . . . . . . . . . . .     (348)          (170)
  Accumulated other comprehensive income (loss) .     (374)           348
                                                    ------         ------
  Total stockholders' equity. . . . . . . . . . .    8,557          8,680
                                                    ------         ------

Total liabilities and stockholders' equity. . . .  $26,230        $22,425
                                                    ======         ======
</TABLE>
     The accompanying notes are an integral part of these statements.
                                     
                                  - 3 -

<PAGE>                                     
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                   CONSOLIDATED STATEMENT OF CASH FLOWS

                                                         Nine Months Ended
                                                           September 30,
                                                         -----------------
                                                           1998     1997
                                                           ----     ----
                                                                 (Restated)
(Millions)
<S>                                                      <C>       <C>
Cash flows from operating activities:
Income from continuing operations. . . . . . . . . . . . $    60   $   889
Adjustments to reconcile income to net cash
 provided by operating activities:
  Extraordinary loss on extinguishment of debt . . . . .       -       118
  Depreciation, depletion and amortization . . . . . . .   1,334     1,047
  Dry hole expense and undeveloped leasehold amortization    194       131
  Net gain on asset sales. . . . . . . . . . . . . . . .     (56)      (42)
  Income from equity investments . . . . . . . . . . . .     (53)      (10)
  Dividends from equity investments. . . . . . . . . . .       9        15
  Minority interest in earnings of subsidiaries. . . . .      21        31
  Noncash provisions greater than cash payments. . . . .      85        20
  Changes in working capital accounts. . . . . . . . . .    (217)     (137)
  Other. . . . . . . . . . . . . . . . . . . . . . . . .       5      (111)
                                                          ------    ------
    Net cash provided by operating activities. . . . . .   1,382     1,951
                                                          ------    ------
Cash flows from investing activities:
  Union Texas Petroleum acquisition. . . . . . . . . . .  (2,707)        -
  Additions to fixed assets (including dry hole costs) .  (2,477)   (1,742)
  Net cash (used) provided by short-term investments . .      (7)      549
  Investment in LUKARCO. . . . . . . . . . . . . . . . .       -      (201)
  Proceeds from sale of ARCO Chemical stock. . . . . . .   4,593         -
  Proceeds from asset sales. . . . . . . . . . . . . . .   1,169        60
  Investments and long-term receivables. . . . . . . . .    (149)      (98)
  Other. . . . . . . . . . . . . . . . . . . . . . . . .    (166)      (31)
                                                          ------    ------
    Net cash provided (used) by investing activities . .     256    (1,463)
                                                          ------    ------
Cash flows from financing activities:
  Repayments of long-term debt . . . . . . . . . . . . .    (235)   (1,511)
  Proceeds from issuance of long-term debt . . . . . . .     215       110
  Net cash (used) provided by notes payable. . . . . . .    (347)      695
  Dividends paid . . . . . . . . . . . . . . . . . . . .    (688)     (680)
  Treasury stock purchases . . . . . . . . . . . . . . .     (31)     (205)
  Other. . . . . . . . . . . . . . . . . . . . . . . . .      48        39
                                                          ------    ------
    Net cash (used) by financing activities. . . . . . .  (1,038)   (1,552)

Cash flows from discontinued operations. . . . . . . . .      37       293 

Effect of exchange rate changes on cash. . . . . . . . .      (1)       (7)
                                                          ------    ------
Net increase (decrease) in cash and cash equivalents . .     636      (778)

Cash and cash equivalents at beginning of period . . . .     434     1,326
                                                          ------    ------
Cash and cash equivalents at end of period . . . . . . . $ 1,070   $   548
                                                          ======    ======
</TABLE>
     The accompanying notes are an integral part of these statements.

                                 - 4 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE A.  Accounting Policies.

Basis of Presentation.

     The foregoing financial information is unaudited and has been prepared
from  the  books  and records of the Company.  Certain previously  reported
amounts  have been restated to conform to classifications adopted in  1998.
In  the  opinion  of  the Company, the financial information  reflects  all
adjustments,  consisting of normal recurring adjustments, necessary  for  a
fair  presentation of the financial position and results of  operations  in
conformity with generally accepted accounting principles.


NOTE B.  Comprehensive Income.

     Effective January 1, 1998, the Company adopted Statement of Financial
Accounting  Standards  (SFAS)  No. 130, "Reporting  Comprehensive  Income."
SFAS  No.  130  established  new rules for the reporting  of  comprehensive
income and its components.  Comprehensive income comprises net income  plus
all  other  changes in equity from nonowner sources.  ARCO's  comprehensive
income  for the three- and nine-month periods ended September 30, 1998  and
1997 was as follows:
<TABLE>
<CAPTION>
                                    Three Months Ended    Nine Months Ended
                                       September 30,         September 30,
                                    ------------------    -----------------
                                     1998        1997      1998        1997
                                     ----        ----      ----        ----
(Millions)
<S>                                <C>          <C>       <C>        <C>
Net income . . . . . . . . . . .   $  872       $  516    $1,246     $1,389
After-tax changes in:
  Net unrealized gain (loss)
    on investments (a) . . . . .     (198)         189      (717)       454
  Foreign currency translation
    adjustment . . . . . . . . .       38          (34)      (12)      (131)
  Minimum pension liability. . .        7            -         7          -
                                    -----        -----     -----      -----
Comprehensive income . . . . . .   $  719       $  671    $  524     $1,712
                                    =====        =====     =====      =====

(a) Primarily  related to changes in the fair value of ARCO's investment  in
    LUKOIL,  which  had  a  fair  value of  approximately  $161  million  at
    September  30,  1998,  compared to a fair value  of  approximately  $1.3
    billion  and  $678 million at December 31, 1997 and 1996,  respectively.
    The  unrealized  pretax loss on the LUKOIL investment at  September  30,
    1998 was $182 million.
</TABLE>

The new disclosure had no impact on ARCO's net income, financial position,
stockholders' equity or cash flows.

     Accumulated   nonowner   changes  in   equity   (accumulated   other
comprehensive income) at September 30, 1998 and December 31, 1997  were  as
follows:
<TABLE>
<CAPTION>
                                                  September 30,  December 31,
                                                      1998          1997
                                                  -------------  ------------
   (Millions)
   <S>                                               <c >          <C>
   Net unrealized gain (loss) on investments. . .    $(111)        $ 606
   Foreign currency translation adjustment. . . .     (216)         (204) 
   Minimum pension liability. . . . . . . . . . .      (47)          (54)
                                                      ----          ----
     Accumulated other comprehensive income (loss)   $(374)        $ 348
                                                      ====          ====
</TABLE>
                                   - 5 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE C.  Interim Segment Information.

<TABLE>
<CAPTION>
Three Months Ended September 30, 1998

                                                  Other
                        Exploration   Refining &  Oper-   Unallocated
(Millions)              & Production  Marketing   ations     Items     Total
                        ------------  ----------  ------  -----------  -----
<S>                       <C>          <C>        <C>        <C>      <C>
Sales and other
 operating revenues . .   $ 1,518      $1,386     $   39     $    3   $ 2,946
Intersegment revenues .      (268)          -        (20)        (3)     (291)
                           ------       -----      -----      -----    ------
Total . . . . . . . . .   $ 1,250      $1,386     $   19     $    -   $ 2,655
                           ======       =====      =====      =====    ======
Income (loss) from
 continuing operations.   $   (56)     $  108     $   45     $ (235)  $  (138)
Income from discontinued
 operations*. . . . . .         -           -          -      1,010     1,010
                           ------       -----      -----      -----    ------
Net income. . . . . . .   $   (56)     $  108     $   45     $  775   $   872
                           ======       =====      =====      =====    ======

Segment assets. . . . .   $18,762      $3,808     $1,190     $2,470   $26,230
                           ======       =====      =====      =====    ======


December 31, 1997
   (Restated)
Segment assets. . . . .   $ 13,269     $3,565     $1,149     $4,442   $22,425
                           =======      =====      =====      =====    ======


Three Months Ended September 30, 1997
   (Restated)
                                                  Other
                        Exploration   Refining &  Oper-   Unallocated
(Millions)              & Production  Marketing   ations     Items     Total
                        ------------  ----------  ------  -----------  -----
Sales and other
 operating revenues . .   $  2,144     $1,783     $   42     $    5   $ 3,974
Intersegment revenues .       (459)         -        (17)        (4)     (480)
                           -------      -----      -----      -----    ------
Total . . . . . . . . .   $  1,685     $1,783     $   25     $    1   $ 3,494
                           =======      =====      =====      =====    ======
Income from continuing
 operations . . . . . .   $    288     $  136     $   20     $ (237)  $   207
Income from discontinued
 operations*. . . . . .          -          -          -        309       309
                           -------      -----      -----      -----    ------
Net income. . . . . . .   $    288     $  136     $   20     $   72   $   516
                           =======      =====      =====      =====    ======
_____________
* Includes gains on disposition of discontinued operations of $1,088 million
  and $291 million for the periods ended September 30, 1998 and 1997,
  respectively.
</TABLE>
                                     - 6 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE C.  Interim Segment Information (Continued).

<TABLE>
<CAPTION>
Nine Months Ended September 30, 1998

                                                  Other
                        Exploration   Refining &  Oper-   Unallocated
(Millions)              & Production  Marketing   ations     Items     Total
                        ------------  ----------  ------  -----------  -----
<S>                       <C>          <C>        <C>        <C>      <C> 
Sales and other
 operating revenues . .   $ 4,424      $ 4,170    $  118     $   19   $ 8,731
Intersegment revenues .      (892)         (12)      (60)       (12)     (976)
                           ------       ------     -----      -----    ------
Total . . . . . . . . .   $ 3,532      $ 4,158    $   58     $    7   $ 7,755
                           ======       ======     =====      =====    ======
Income from continuing
 operations . . . . . .   $   143      $   224    $   98     $ (405)  $    60
Income from discontinued
 operations*. . . . . .         -            -         -      1,186     1,186
                           ------       ------     -----      -----    ------
Net income. . . . . . .   $   143      $   224    $   98     $  781   $ 1,246
                           ======       ======     =====      =====    ======

Nine Months Ended September 30, 1997
   (Restated)
                                                  Other
                        Exploration   Refining &  Oper-   Unallocated
(Millions)              & Production  Marketing   ations     Items      Total
                        ------------  ----------  ------  -----------   -----
<S>                       <C>          <C>        <C>        <C>       <C>
Sales and other
 operating revenues . .   $ 7,390      $ 5,106    $  135     $   13    $12,644
Intersegment revenues .    (1,653)           -       (59)       (12)    (1,724)
                           ------       ------     -----      -----     ------
Total . . . . . . . . .   $ 5,737      $ 5,106    $   76     $    1    $10,920
                           ======       ======     =====      =====     ======
Income from continuing
 operations . . . . . .   $ 1,061      $   250    $   57     $ (361)   $ 1,007
Income from discontinued
 operations*. . . . . .         -            -         -        500        500
Extraordinary item. . .         -            -         -       (118)      (118)
                           ------       ------     -----      -----     ------
Net income. . . . . . .   $ 1,061      $   250    $   57     $   21    $ 1,389
                           ======       ======     =====      =====     ======
_______________
*  Includes gains on disposition of discontinued operations of $1,088 million
   and $291 million for the periods ended September 30, 1998 and 1997,
   respectively.
</TABLE>

     As discussed in Note J, the Company's coal and chemical operations and
investment  in  Lyondell  Petrochemical  Company  ("Lyondell")  have   been
reported  as  discontinued operations.  The income from and net  assets  of
discontinued operations are included with unallocated items in the  segment
presentation  above.   At  December 31, 1997, coal  operations  and  ARCO's
investment  in  Lyondell were included as part of "Other Operations"  for
segment purposes and  chemical operations were shown as a separate segment.
The prior period has been restated to conform to the current presentation.

                                  - 7 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE D.  Acquisition of Union Texas Petroleum Holdings, Inc.

      On  June 16, 1998, ARCO announced the completion of its tender  offer
for  all  outstanding  shares  of Union Texas  Petroleum  Holdings,  Inc.'s
("UTP") common stock.  ARCO purchased the outstanding common stock  of  UTP
for  approximately  $2.5  billion, or $29 per share  in  cash.   ARCO  also
purchased  in  a  tender offer 1,649,500 shares of  UTP's  7.14%  Series  A
Cumulative  Preferred  Stock for approximately $200 million,  or  $122  per
share  in  cash.  UTP was a U.S.-based, non-integrated oil and gas  company
with  substantially  all of its oil and gas producing operations  conducted
outside  of  the  U.S.  in  the United Kingdom sector  of  the  North  Sea,
Indonesia and Pakistan.

      The acquisition is being accounted for as a purchase.  The results of
operations of UTP are included in the consolidated financial statements  of
ARCO as of July 1, 1998.  The cost of the acquisition was allocated on  the
basis  of  the estimated fair value of the assets acquired and  liabilities
assumed.  The following unaudited pro forma summary presents information as
if  UTP had been acquired as of the beginning of the Company's fiscal years
1997  and  1998.   The  pro  forma  amounts  include  certain  adjustments,
primarily  to recognize depreciation, depletion and amortization  based  on
the allocated purchase price of UTP assets, and do not reflect any benefits
from economies which might be achieved from combining operations.  The  pro
forma  information  does not necessarily reflect the  actual  results  that
would  have occurred nor is it necessarily indicative of future results  of
operations of the combined companies:
<TABLE>
<CAPTION>
                                                        Nine Months Ended
                                                          September 30,
                                                        -----------------
                                                         1998       1997
                                                         ----       ----
                                                                 (Restated)
  (Millions)
  <S>                                                   <C>       <C>
  Sales and other operating revenues . . . . . . . . .  $8,022    $11,456
                                                         =====     ======
  Income from continuing operations before
   extraordinary item. . . . . . . . . . . . . . . . .      13      1,081

  Income from discontinued operations* . . . . . . . .   1,186        526

  Extraordinary loss . . . . . . . . . . . . . . . . .       -       (118)
                                                         -----     ------
  Net income . . . . . . . . . . . . . . . . . . . . .  $1,199    $ 1,489
                                                         =====     ======
  Earned per Share
    Basic
      Continuing operations. . . . . . . . . . . . . .  $  .03    $  3.36
      Discontinued operations. . . . . . . . . . . . .    3.70       1.64
      Extraordinary loss . . . . . . . . . . . . . . .       -       (.37)
                                                         -----     ------
      Net income . . . . . . . . . . . . . . . . . . .  $ 3.73    $  4.63
                                                         =====     ======
    Diluted
      Continuing operations. . . . . . . . . . . . . .  $  .04    $  3.30
      Discontinued operations. . . . . . . . . . . . .    3.62       1.61
      Extraordinary loss . . . . . . . . . . . . . . .       -       (.36)
                                                         -----     ------
      Net income . . . . . . . . . . . . . . . . . . .  $ 3.66    $  4.55
                                                         =====     ======
    _______________
    * Includes gains on disposition of discontinued operations of $1,088
      million and $291 million for the periods ended September 30, 1998
      and 1997, respectively.
</TABLE>
                                  - 8 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE E.  Investments.

      At  September 30, 1998 and 1997, investments in debt securities  were
primarily   composed  of  U.S.  Treasury  securities  and  corporate   debt
instruments  and  were  included  in  short-term  investments   and   other
investments  and long-term receivables.  Maturities generally  ranged  from
one  day  to  10  years.  Investments in LUKOIL common  stock  and  Zhenhai
Refining  and  Chemical Company convertible bonds were  included  in  other
investments  and  long-term  receivables.   At  September  30,  1998,   all
investments   were  classified  as  available-for-sale;   there   were   no
investments considered held-to-maturity.  Investments were reported at fair
value, with unrealized holding gains and losses, net of tax, reported in  a
separate component of stockholders' equity.

     The following summarizes investments in securities, at September 30:
<TABLE>
<CAPTION>
                                                      1998       1997
                                                      ----       ----
       (Millions)
       <S>                                           <C>        <C>
       Aggregate fair value . . . . . . . . . . .    $  951     $2,017
       Gross unrealized holding losses. . . . . .       200          1
       Gross unrealized holding gains . . . . . .       (19)    (1,104)
                                                      -----      -----
       Amortized cost . . . . . . . . . . . . . .    $1,132     $  914
                                                      =====      =====
</TABLE>
      Investment activity for the nine-month periods ended September 30 was
as follows:
<TABLE>
<CAPTION>
                                                      1998       1997
                                                      ----       ----
       (Millions)
       <S>                                           <C>        <C>
       Gross purchases. . . . . . . . . . . . . .    $14,493    $5,175
       Gross sales. . . . . . . . . . . . . . . .        339     1,637
       Gross maturities . . . . . . . . . . . . .     13,935     4,494
</TABLE>

Gross   realized   gains  and  loss  were  determined   by   the   specific
identification  method  and  for the three- and  nine-month  periods  ended
September 30, 1998 and 1997, were insignificant.


NOTE F.  Inventories.

     Inventories at September 30, 1998 and December 31, 1997 comprised the
following:
<TABLE>
<CAPTION>
                                               September 30,  December 31,
                                                    1998          1997
                                               -------------  ------------
                                                               (Restated)
   (Millions)
   <S>                                            <C>           <C>
   Crude oil and petroleum products . . . . . .   $    235      $    247
   Other products . . . . . . . . . . . . . . .         24            24
   Materials and supplies . . . . . . . . . . .        243           185
                                                   -------       -------
     Total. . . . . . . . . . . . . . . . . . .   $    502      $    456
                                                   =======       =======
</TABLE>
                                   - 9 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE G.  Capital Stock.

     Detail of the Company's capital stock was as follows:
<TABLE>
<CAPTION>
                                                 September 30,  December 31,
                                                      1998         1997
                                                 -------------  ------------
   (Thousands)
   <S>                                             <C>           <C>
   $3.00 Cumulative convertible preference
     stock, par $1 . . . . . . . . . . . . . . .   $     52      $     56
   $2.80 Cumulative convertible preference
     stock, par $1 . . . . . . . . . . . . . . .        580           616
   Common stock, par $2.50 . . . . . . . . . . .    814,582       806,800
                                                    -------       -------
     Total . . . . . . . . . . . . . . . . . . .   $815,214      $807,472
                                                    =======       =======
</TABLE>
NOTE H.  Capitalization of Interest.

      Interest expense excluded capitalized interest of $29 million and $11
million, respectively, for the three-month periods ended September 30, 1998
and  1997,  and $66   million and $25 million, respectively, for the  nine-
month periods ended September 30, 1998 and 1997.


NOTE I.  Income Taxes.

     Provision (benefit) for taxes on income:
<TABLE>
<CAPTION>
                                    Three Months Ended    Nine Months Ended
                                       September 30,         September 30,
                                    ------------------    -----------------
                                     1998        1997      1998        1997
                                     ----        ----      ----        ----
                                              (Restated)            (Restated)
(Millions)
<S>                                 <C>          <C>       <C>         <C>
Federal:
  Current . . . . . . . . . . . .   $ (41)       $125      $ (86)      $398
  Deferred. . . . . . . . . . . .     (66)        (87)       (17)       (78)
                                     ----         ---       ----        ---                             
                                     (107)         38       (103)       320
                                     ----         ---       ----        ---
Foreign:
  Current . . . . . . . . . . . .      19          18         44         89
  Deferred. . . . . . . . . . . .     (40)        (22)       (76)       (34)
                                     ----         ---       ----        ---
                                      (21)         (4)       (32)        55
                                     ----         ---       ----        ---
State:
  Current. . . . . . . . . . . . .      6          35         17        105
  Deferred . . . . . . . . . . . .    (16)        (17)       (10)       (17)
                                     ----         ---       ----        ---
                                      (10)         18          7         88
                                     ----         ---       ----        ---

    Total. . . . . . . . . . . . .  $(138)       $ 52      $(128)      $463
                                     ====         ===       ====        ===
</TABLE>
                                  - 10 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


Note I.  Income Taxes (continued).

      Reconciliation of provision for taxes on income with tax  at  federal
statutory rate:
<TABLE>
<CAPTION>
                                               Three Months Ended
                                                  September 30,
                                               ------------------
                                           1998                  1997
                                      -----------------     -----------------
                                                Percent               Percent
                                                  of                     of
                                                Pretax                Pretax
                                      Amount    Income      Amount    Income
                                      ------    -------     ------    -------
                                                               (Restated)
(Millions)
<S>                                   <C>        <C>        <C>        <C>
Income (loss) before income
 taxes, minority interest and
 extraordinary item. . . . . . . .    $(269)     100.0      $  268     100.0
                                       ====      =====       =====     =====

Tax at federal statutory rate. . .    $ (94)     (35.0)     $   93      35.0
Increase (reduction) in taxes
 resulting from:
  Subsidiary stock transactions. .       (7)      (2.6)        (11)     (4.1)
  Taxes on foreign income in
   excess of statutory rate. . . .        4        1.5          (9)     (3.4)
  State income taxes (net of
   federal effect) . . . . . . . .       (6)      (2.2)         11       4.1
  Tax credits. . . . . . . . . . .      (28)     (10.4)        (26)     (9.7)
  Other. . . . . . . . . . . . . .       (7)      (2.6)         (6)     (2.5)
                                       ----      -----       -----     -----
Provision (benefit) for taxes
 on income . . . . . . . . . . . .    $(138)     (51.3)     $   52      19.4
                                       ====      =====       =====     =====
</TABLE>
<TABLE>
<CAPTION>
                                                Nine Months Ended
                                                   September 30,
                                                -----------------
                                            1998                 1997
                                       -----------------    -----------------
                                                 Percent              Percent
                                                   of                   of
                                                 Pretax               Pretax
                                       Amount    Income     Amount    Income
                                       ------    -------    ------    -------
                                                               (Restated)
(Millions)
<S>                                    <C>        <C>       <C>        <C>
Income (loss) before income
 taxes, minority interest and
 extraordinary item. . . . . . . . .   $ (47)     100.0     $1,501     100.0
                                        ====      =====      =====     =====

Tax at federal statutory rate. . . .   $ (16)     (35.0)    $  525      35.0
Increase (reduction) in taxes
 resulting from:
  Subsidiary stock transactions. . .     (64)    (136.2)       (55)     (3.7)
  Taxes on foreign income in
   excess of statutory rate. . . . .      44       93.6         24       1.6
  State income taxes (net of
   federal effect) . . . . . . . . .       5       10.6         57       3.8
  Tax credits. . . . . . . . . . . .     (87)    (185.1)       (77)     (5.1)
  Other. . . . . . . . . . . . . . .     (10)     (20.2)       (11)     (0.8)
                                        ----      -----       ----     -----
Provision (benefit) for taxes on
 income. . . . . . . . . . . . . . .   $(128)    (272.3)     $ 463      30.8
                                        ====      =====       ====     =====
</TABLE>
                                  - 11 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE J.  Discontinued Operations.

      On  June  1,  1998, ARCO disposed of its U.S. coal  operations  in  a
transaction  with   Arch Coal.  Operations disposed of included  the  Black
Thunder and Coal Creek mines in Wyoming, the West Elk mine in Colorado, and
ARCO's  65%  interest in three mines in Utah.  The Colorado and Utah  mines
were  sold outright.  ARCO contributed its Wyoming coal operations and Arch
Coal  transferred various of its coal operations into a new  joint  venture
that is 99% owned by Arch Coal and 1% owned by ARCO.

      The Company expects to dispose of its Australian coal operations as
well.  In the third quarter of 1998 ARCO recorded a $90 million provision
for the estimated loss on the disposal of the U.S. and  Australian coal
assets.  Net proceeds from the sale of U.S. operations have been deferred
in net assets of discontinued operations until the disposition of Australian
coal assets is completed and the actual net loss can be determined.

      In  July  1998, ARCO tendered its 80,000,001 shares of ARCO  Chemical
Company common stock to Lyondell for $57.75 per share, or total cash proceeds
of approximately   $4.6  billion.   ARCO  recorded  an   after-tax  gain  of
approximately $1.1 billion in the third quarter of 1998 from  the  sale  of
the shares.

      In  September  1997, ARCO disposed of its 49.9%  equity  interest  in
Lyondell.  The petrochemical business of UTP will  be disposed of and has
been reported as a discontinued operation as well.

     Revenues and net income from discontinued operations was as follows:
<TABLE>
<CAPTION>
                                     Three Months Ended    Nine Months Ended
                                        September 30,         September 30,
                                     ------------------    -----------------
                                      1998       1997       1998       1997
                                      ----       ----       ----       ----
<S>                                   <C>        <C>       <C>        <C>
Revenues:

  ARCO Chemical . . . . . . . . .     $290       $928      $1,990     $2,783
  Coal operations . . . . . . . .     $ 61       $135      $  293     $  497
  UTP petrochemical . . . . . . .     $ 23       $  -      $   23     $    -

Net income:

  ARCO Chemical . . . . . . . . .     $ 12       $(31)     $  178     $   37
  Coal operations*  . . . . . . .      (90)         6         (80)        53
  Lyondell. . . . . . . . . . . .        -         43           -        119
  UTP petrochemical . . . . . . .        -          -           -          -
                                       ---        ---       -----      -----
                                      $(78)      $ 18      $   98     $  209
                                       ===        ===       =====      =====
_______________
* The amount for the three-months ended September 30, 1998 is a provision for
  loss on disposal of coal assets.
</TABLE>
                                  - 12 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE K.  Earned Per Share.

      The information necessary for the calculation of earned per share  is
as follows:
<TABLE>
<CAPTION>
                               Three Months Ended        Three Months Ended
                               September 30, 1998        September 30, 1997
                               ------------------        ------------------
                            Income Shares Per share   Income Shares Per share
                            ------ ------ ---------   ------ ------ ---------
(Millions, except
 per share amounts)
<S>                         <C>      <C>     <C>       <C>    <C>     <C>
Income from continuing
 operations . . . . . . .   $ (138)                    $207
Less: Preference stock
 dividends* . . . . . . .        -                        -
                             -----                      ---
Income from continuing
 operations available to
 common stockholders -
 basic EPS. . . . . . . .     (138)  321.2   $(0.43)    207   320.7   $0.65
                                     =====                    =====
Income from discontinued
 operations . . . . . . .    1,010   321.2     3.14     309   320.7    0.96
                             -----   =====    -----     ---   =====    ----
Net income available to
 common stockholders -
 basic EPS. . . . . . . .      872   321.2   $ 2.71     516   320.7   $1.61
                                              =====                    ====
Effect of dilutive securities:
Contingently issuable
 shares (primarily
 options) . . . . . . . .               2.5                     3.0
Convertible preference
 stock. . . . . . . . . .        -      3.5               -     3.8
                             -----    -----             ---   -----
Net income available to
 common stockholders and
 assumed conversions -
 diluted EPS. . . . . . .      872   327.2   $ 2.67     516   327.5   $1.57
                                     =====                    =====
Less: income from discon-
 tinued operations. . . .    1,010   327.2     3.09     309   327.5    0.93
                             -----   =====    -----     ---   =====    ----
Income from continuing
 operations available to
 common stockholders and
 assumed conversions -
 diluted EPS  . . . . . .   $ (138)  327.2   $(0.42)   $207   327.5   $0.64
                             =====   =====    =====     ===   =====    ====
_______________
* Dividend rounds to zero for the three-month periods presented.
</TABLE>

                                 - 13 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE K.  Earned Per Share (continued).
<TABLE>
<CAPTION>
                            Nine Months Ended           Nine Months Ended
                            September 30, 1998          September 30, 1997
                            ------------------          ------------------
                         Income  Shares  Per share   Income  Shares  Per share
                         ------  ------  ---------   ------  ------  ---------
(Millions, except
 per share amounts)
<S>                      <C>      <C>      <C>       <C>      <C>     <C>
Income from continuing
 operations . . . . . .  $   60                      $1,007
Less: Preference stock
 dividends. . . . . . .      (2)                         (2)
                          -----                       -----
Income from continuing
 operations available
 to common stockholders -
 basic EPS. . . . . . .      58   320.9    $0.18      1,005   321.3    $3.13
                                  =====                       =====
Income from discontinued
 operations . . . . . .   1,186   320.9     3.70        500   321.3     1.56
                                  =====     ----              =====
Income before
 extraordinary item
 available to common
 stockholders -
 basic EPS. . . . . . .   1,244                       1,505
Extraordinary item. . .       -                        (118)  321.3    (0.37)
                          -----                       -----   =====     ----
Net income available to
 common stockholders -
 basic EPS. . . . . . .   1,244    320.9   $3.88      1,387   321.3    $4.32
                                            ====                        ====
Effect of dilutive
 securities:
Contingently issuable
 shares (primarily
 options) . . . . . . .              2.8                        2.0
Convertible preference
 stock. . . . . . . . .       2      3.6                  2     3.9
                          -----    -----              -----   -----
Net income available to
 common stockholders
 and assumed conver-
 sions - diluted EPS. .   1,246    327.3   $3.81      1,389   327.2    $4.24
                                   =====                      =====
Extraordinary item. . .       -                         118   327.2     0.36
Income before             -----                       -----   =====     ----
 extraordinary item 
 available to common
 stockholders and
 assumed conversions -
 diluted EPS. . . . . .   1,246                       1,507 
Less: Income from dis-
 continued operations .   1,186    327.3    3.63        500   327.2     1.52
                          -----    =====    ----      -----   =====     ====
Income from continuing
 operations available to
 common stockholders and
 assumed conversions -
 diluted EPS. . . . . .  $   60    327.3   $0.18     $1,007   327.2    $3.08
                          =====    =====    ====      =====   =====     ====
</TABLE>
                                   - 14 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE L.  Supplemental Income Statement Information.

     Taxes other than income taxes comprised the following:
<TABLE>
<CAPTION>
                                  Three Months Ended     Nine Months Ended
                                     September 30,          September 30,
                                  ------------------     -----------------
                                   1998        1997       1998        1997
                                   ----        ----       ----        ----
                                            (Restated)             (Restated)
  (Millions)
  <S>                              <C>         <C>        <C>         <C>
  Production/severance . . . . .   $ 54        $ 82       $173        $268
  Property . . . . . . . . . . .     39          37        109         107
  Other. . . . . . . . . . . . .     28          28        115         112
                                    ---         ---        ---         ---
    Total. . . . . . . . . . . .   $121        $147       $397        $487
                                    ===         ===        ===         ===
</TABLE>

NOTE M.  Supplemental Cash Flow Information.

      Following  is supplemental cash flow information for the nine  months
ended September 30, 1998 and 1997:
<TABLE>
<CAPTION>
                                                         Nine Months Ended
                                                           September 30,
                                                         -----------------
                                                         1998         1997
                                                         ----         ---- 
                                                                   (Restated)
 (Millions)
 <S>                                                     <C>        <C> 
 Gross sales and maturities of short-term investments .  $    171   $  1,696
 Gross purchases of short-term investments. . . . . . .      (178)    (1,147)
                                                          -------    -------
 Net cash (used) provided by short-term investments . .  $     (7)  $    549
                                                          =======    =======

 Gross proceeds from issuance of notes payable. . . . .  $ 12,096   $  5,300
 Gross repayments of notes payable. . . . . . . . . . .   (12,443)    (4,605)
                                                          -------    -------
 Net cash (used) provided by notes payable  . . . . . .  $   (347)  $    695
                             
 Gross noncash provisions charged to income . . . . . .  $    416   $    393
 Reserve reversal from partial tax audit settlements. .         -       (145)
 Cash payments of previously accrued items. . . . . . .      (331)      (228)
                                                          -------    -------
 Noncash provisions greater than cash payments. . . . .  $     85   $     20
                                                          =======    =======
</TABLE>
     Interest paid during the nine-month periods ended September 30,  1998
and 1997 was $318 million and $450 million, respectively.

     Income  taxes paid during the nine-month periods ended September  30,
1998 and 1997 were $169 million and $669 million, respectively.


                                  - 15 -

<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE M.  Supplemental Cash Flow Information (continued).

      Excluded from the Consolidated Statement of Cash Flows for  the  nine
months  ended  September 30, 1998 was the issuance of 2,725,030  shares  of
ARCO  common  stock  to a consolidated subsidiary in exchange  for  certain
property, plant and equipment owned by the subsidiary.  The transaction was
recorded at fair market value.

      In conjunction with the acquisition of UTP, liabilities were assumed 
as follows:
<TABLE>
<CAPTION>
               (Millions)
               <S>                                       <C>
               Fair value of assets acquired . . . . . . $3,745
               Cash paid . . . . . . . . . . . . . . . .  2,707
                                                          -----
                 Liabilities assumed . . . . . . . . . . $1,038
                                                          =====
</TABLE>

      Excluded from the Consolidated Statement of Cash Flows for the nine
months ended September 30, 1997 was ARCO's use of Lyondell common stock to
redeem its 9% Exchangeable Notes with an outstanding principal amount of
$988 million.

      Changes in working capital accounts for the nine-month periods  ended
September 30, 1998 and 1997 were as follows:
<TABLE>
<CAPTION>
                                                       Nine Months Ended
                                                         September 30,
                                                       -----------------
                                                      1998           1997
                                                      ----           ----
                                                                  (Restated)
(Millions)
<S>                                                   <C>            <C>
Changes in working capital - Increase (decrease)
 to cash:
   Accounts receivable. . . . . . . . . . . . . . .   $  71        $ 396
   Inventories. . . . . . . . . . . . . . . . . . .     (18)         (73)
   Accounts payable . . . . . . . . . . . . . . . .      22         (310)
   Other working capital. . . . . . . . . . . . . .    (292)        (150)
                                                       ----         ----
     Total. . . . . . . . . . . . . . . . . . . . .   $(217)       $(137)
                                                       ====         ====
</TABLE>

NOTE N.  Other Commitments and Contingencies.

      ARCO  has  commitments, including those related to  the  acquisition,
construction  and development of facilities, all made in the normal  course
of business.

      Following  the  March 1989 EXXON VALDEZ oil spill, numerous  lawsuits
seeking compensatory and punitive damages and injunctions were filed by the
state  of  Alaska, the United States and private plaintiffs against  Exxon,
Alyeska  Pipeline Service Company ("Alyeska") and Alyeska's owner companies
(including  ARCO,  which owns approximately 22%).  Alyeska  and  its  owner
companies  have  settled  the  civil damage claims  by  federal  and  state
governments  and  the  lawsuits  by  private  plaintiffs.   Certain  issues
relating to the liability for the spill remain unresolved between the Exxon
companies, on the one hand, and Alyeska and its owner companies.

                                 - 16 -

<PAGE>
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE N.  Other Commitments and Contingencies (continued).

      ARCO  and  former  producers  of lead pigments  have  been  named  as
defendants  in cases filed by a municipal housing authority, two  purported
classes and several individuals seeking damages and injunctive relief as  a
consequence  of the presence of lead-based paint in certain housing  units.
ARCO  is  also  the  subject of or party to a number of  other  pending  or
threatened legal actions.

      The  State  of Montana is seeking recovery from ARCO of $767  million
based  on  alleged injuries to natural resources resulting from mining  and
mineral processing operations formerly operated by Anaconda.  ARCO and  the
State  have  lodged with the court an agreement to settle for $135  million
the  State's  natural  resource damages at  all  but   three  sites.   That
agreement is contingent upon court approval of that agreement and a related
settlement  agreement between the State, ARCO, the federal  government  and
the Salish and Kootenai Tribes.

     ARCO is subject to other loss contingencies pursuant to federal, state
and local environmental laws and regulations.  These require ARCO to remove
or  mitigate the effects on the environment of the disposal or  release  of
certain  chemical,  mineral and petroleum substances  at   various   sites,
perform certain restoration work on these sites and to pay damages for loss
of   use   and   non-use  values.   ARCO  is  currently  participating   in
environmental  assessments  and  cleanups  under  these  laws  at   federal
Superfund  and  state-managed  sites, as  well  as  other  clean-up  sites.
ARCO  may in the future be involved in additional environmental assessments
and  cleanups, including restoration of natural resources and  damages  for
loss of use and non-use values.  The amount of future costs will depend  on
such factors as the unknown nature and extent of contamination, the unknown
timing, extent and method of the remedial actions which may be required and
the  determination  of ARCO's liability in proportion to other  responsible
parties.   Environmental  loss contingencies include  claims  for  personal
injuries  allegedly caused by exposure to toxic materials  manufactured  or
used by ARCO.

      ARCO  continues to estimate the amount of these costs in periodically
establishing  reserves based on progress made in determining the  magnitude
of remediation costs, experience gained from sites on which remediation has
been  completed, the timing and extent of remedial actions required by  the
applicable  governmental authorities and an evaluation  of  the  amount  of
ARCO's  liability considered in light of the liability and financial where-
withal  of  the  other  responsible parties.  At September  30,  1998,  the
environmental remediation accrual was $882 million.  As the scope of ARCO's
obligations  becomes more clearly defined, there may be  changes  in  these
estimated  costs,  which  might  result in future  charges  against  ARCO's
earnings.

      ARCO's environmental remediation accrual covers federal Superfund and
state-managed  sites  as  well as other clean-up sites,  including  service
stations,   refineries,   terminals,   chemical   facilities,   third-party
landfills,  former  nuclear processing facilities,  sites  associated  with
discontinued  operations and sites formerly owned by ARCO.  ARCO  has  been
named a potentially responsible party ("PRP") for 133 sites.  The number of
PRP  sites in and of itself is not a relevant measure of liability, because
the  nature and extent of environmental concerns varies by site and  ARCO's
share  of responsibility varies from sole responsibility  to  very   little
responsibility.  ARCO reviews all of the PRP sites, along with other  sites
as  to which no claims have been asserted, in estimating the amount of  the
accrual.   ARCO's  future  costs at these sites  could  exceed  the  amount
accrued by as much as $500 million.

                                 - 17 -
<PAGE>
          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE N.  Other Commitments and Contingencies (continued).

      Approximately  55%  of the reserve related to sites  associated  with
ARCO's  discontinued operations, primarily mining activities in the  states
of  Montana, Utah and New Mexico.  Another significant component related to
currently and formerly owned chemical, nuclear processing, and refining and
marketing  facilities,  and other sites which received  wastes  from  these
facilities.   The  remainder related to other sites with  reserves  ranging
from  $1 million to $10 million per site.  No one site represents more than
10%  of  the total reserve.  Substantially all amounts accrued are expected
to be paid out over the next five to six years.

      Claims for recovery of remediation costs already incurred and  to  be
incurred  in the future have been filed against various insurance companies
and other third parties.  Many of these claims have been resolved. ARCO has
neither  recorded  any asset nor reduced any liability in  connection  with
unresolved claims.

      Although  any  ultimate liability arising from  any  of  the  matters
described herein could result in significant expenses or judgments that, if
aggregated  and  assumed to occur within a single fiscal period,  would  be
material to ARCO's results of operations, the likelihood of such occurrence
is  considered remote.  On the basis of management's best assessment of the
ultimate amount and timing of these events, such expenses or judgments  are
not  expected  to  have  a material adverse effect on  ARCO's  consolidated
financial statements.

     The operations and consolidated financial position of ARCO continue to
be  affected  from time to time in varying degrees by domestic and  foreign
political  developments as well as legislation, regulations and  litigation
pertaining  to  restrictions  on  production,  imports  and  exports,   tax
increases,  environmental regulations, cancellation of contract rights  and
expropriation  of  property.  Both the likelihood of such  occurrences  and
their overall effect on ARCO vary greatly and are not predictable.

     These uncertainties are part of a number of items that ARCO has taken
and  will  continue  to  take  into account  in  periodically  establishing
reserves.


Note O. Subsequent Event.

      On  October  31,  1998,  the Company sold to Vastar  Resources,  Inc.
("Vastar")  100% of the capital stock  of  Vastar  Offshore,  Inc. ("VOI"),
formerly known as Western Midway Company for approximately $170 million in
cash and the assumption of $300 million of VOI's  existing indebtedness by
Vastar.  The purchase price has been subsequently reduced by approximately
$35 million to reflect post-closing adjustment items.  ARCO owns an 82.2%
interest in Vastar.

                                  - 18 -

<PAGE>
                  MANAGEMENT'S DISCUSSION AND ANALYSIS OF
               FINANCIAL CONDITION AND RESULTS OF OPERATIONS
                                     
                                     
Third Quarter 1998 vs. Third Quarter 1997


Consolidated Earnings

      Net  income  increased in the 1998 third quarter to $872 million,  up
from  the  $516  million reported in the third quarter of  1997.   However,
operating results excluding special items declined to $73 million, compared
to  $431  million  in  the  1997  third quarter.   This  decline  primarily
reflected lower crude oil prices.

      The  1998  third  quarter included a net after-tax  benefit  of  $799
million for special items, consisting of a gain of $1,088 million from  the
sale  of  ARCO's  interest  in  ARCO Chemical  Company  ("ARCO  Chemical"),
partially  offset  by  various  charges.   The  charges  were  for   future
environmental   remediation  and  reclamation  related  to   both   current
operations  and  to natural resource damage liabilities  in  the  state  of
Montana  associated  with  previously  discontinued  mining  operations,  a
provision  for estimated net loss on divestment of coal operations  and  an
impairment writedown of California heavy crude oil properties.

     The 1997 third quarter included a net after-tax benefit of $85 million
for  special  items.  Special item benefits included an after-tax  gain  of
approximately  $291 million from the settlement of 9% Notes  due  September
15, 1997, with Lyondell Petrochemical Company ("Lyondell") common stock, in
addition to tax-related adjustments.  The benefits were partially offset by
charges  for  restructuring  and other actions at ARCO Chemical of $95
million, net of tax and minority interest, and charges of approximately
$140 million after tax for future environmental remediation and reclamation
related to both current operations and to natural resource damage liabilities
in the state of Montana associated with previously discontinued mining
operations.

After-tax Segment Earnings
<TABLE>
<CAPTION>
                              1998                      1997 (Restated)
                    ----------------------------   ---------------------------
                              Less:                          Less:
                             Special                        Special
                              Items                          Items
                     Net     (Charge)  Operating    Net    (Charge)  Operating
                    Income   Benefit    Results    Income   Benefit   Results
                    ------   --------  ---------   ------  --------  ---------
(Millions)
<S>                 <C>      <C>         <C>        <C>      <C>        <C>
Exploration and
 production. . . .  $  (56)  $  (94)     $ 38       $288     $  22      $266
Refining and
 marketing . . . .     108        -       108        136         -       136
Other operations .      45       17        28         20        (3)       23
Interest expense .     (92)       -       (92)       (78)        -       (78)
Other unallocated
 expenses. . . . .    (143)    (122)      (21)      (159)     (125)      (34)
                     -----    -----       ---        ---      ----       ---
Income (loss)
 from continuing
 operations. . . .    (138)    (199)       61        207      (106)      313
Income (loss)
 from discontinued
 operations. . . .     (78)     (90)       12         18      (100)      118
Gain on disposition
 of stock* . . . .   1,088    1,088         -        291       291         -
                     -----    -----       ---        ---      ----       ---

  Net income . . .  $  872   $  799      $ 73       $516     $  85      $431
                     =====    =====       ===        ===      ====       ===

*1998:  Approximate 82% interest in ARCO Chemical; 1997:  49.9% interest in
Lyondell.
</TABLE>
                                  - 19 -

<PAGE>
     As the result of the sale of ARCO's 80 million shares of ARCO Chemical
common  stock  in July 1998, the 1998 results from operations  reflect  the
chemical   operations  as  discontinued  along  with  the  worldwide   coal
operations discontinued in the first quarter 1998.  In September 1997, ARCO
disposed of its 49.9% interest in Lyondell.  The 1997 results  have  been
restated to reflect all of these operations as discontinued.


Exploration and Production

     ARCO's operating results from worldwide oil and gas exploration and
production operations in 1998 were significantly impacted by lower crude
oil prices.  While the Union Texas Petroleum ("UTP") properties purchased
in 1998 contributed to an 11% increase in production volumes, the revenues
from that production were more than offset by the depreciation, depletion
and operating costs associated with those properties.  The 1998 third
quarter included special items primarily related to the writedown of the
California heavy oil holdings.  The 1997 third quarter included a net
benefit from special items related to a United Kingdom tax rate change
and a gain on asset sale, partially offset by a leasehold writedown. 


Average Oil and Gas Prices
<TABLE>
<CAPTION>
                                                        1998      1997
                                                        ----      ----
   <S>                                                 <C>       <C>
   U.S.
     Petroleum liquids - per barrel (bbl) 
       Alaska . . . . . . . . . . . . . . . . . . . .  $ 7.84    $13.26
       Lower 48, including Vastar . . . . . . . . . .  $10.47    $15.77
       Composite average price. . . . . . . . . . . .  $ 8.76    $14.10
     Natural gas - per thousand cubic feet (mcf). . .  $ 1.75    $ 1.87

   International
     Petroleum liquids - per bbl. . . . . . . . . . .  $10.96    $17.30
     Natural gas - per mcf. . . . . . . . . . . . . .  $ 2.29    $ 2.51
     Indonesia liquefied natural gas (LNG)- per mcf .  $ 2.29    $    -
</TABLE>

Petroleum Liquids and Natural Gas Production
<TABLE>
<CAPTION>
                                                        1998       1997
                                                        ----       ----
   <S>                                               <C>        <C>  
   Net Production*
   U.S.
     Petroleum liquids - bbl/day
       Alaska . . . . . . . . . . . . . . . . . . .    334,600    359,200
       Vastar . . . . . . . . . . . . . . . . . . .     44,800     49,600
       Other Lower 48 . . . . . . . . . . . . . . .    136,400    130,800
                                                     ---------  ---------
         Total. . . . . . . . . . . . . . . . . . .    515,800    539,600
     Natural gas - mcf/day. . . . . . . . . . . . .  1,163,500  1,066,700

     Barrels of oil equivalent - (BOE)/day. . . . .    709,700    717,400

   International
     Petroleum liquids - bbl/day. . . . . . . . . .    165,500     80,800
     Natural gas - mcf/day. . . . . . . . . . . . .    883,500    760,200
     BOE/day. . . . . . . . . . . . . . . . . . . .    312,800    207,500

     Total net production - BOE/day . . . . . . . .  1,022,500    924,900
   __________
   * Includes ARCO's share of production from equity affiliates.  For BOE
     calculation, natural gas is converted at the ratio of 6 mcf to 1 barrel
     of liquid.
</TABLE>
                                   - 20 -

<PAGE>
     The increase  in  international petroleum liquids  and  natural  gas
production primarily reflected 120,100 barrels of oil equivalent per day
contributed from UTP properties purchased at the end of the second quarter
of 1998.  In addition, petroleum liquids production increased at the Rhourde
el Baguel field in Algeria.  Production from United Kingdom natural gas
fields decreased by approximately 90 million cubic feet per day, as a result
of the timing of gas takes.

     The decline in U.S. petroleum liquids production primarily reflected a
24,600  barrel-per-day decrease in Alaskan production due to natural  field
decline.  The increase in U.S. natural gas production primarily reflected a
10%  increase in Vastar Resources, Inc. ("Vastar") production levels from
offshore and onshore fields.

     In  a  transaction  consummated  in  October  1998,  ARCO  exchanged
California  heavy  crude  oil properties currently producing  approximately
37,000 barrels per day for Gulf of Mexico exploration acreage and properties,
production from which is expected to average 180 million cubic feet of gas
equivalent, net of divestitures, in 1999.


Refining and Marketing

     The  decline in earnings in 1998 primarily resulted from lower  light
product margins. Margins were lower because West Coast gasoline prices fell
more  than  crude  oil  prices in the 1998 third  quarter.   The  increased
gasoline sales volumes reflected increased volumes at existing ARCO  retail
outlets.   The  decline in jet fuel sales reflected both a  change  in  the
production  mix  and  a turnaround at ARCO's Cherry Point  refinery  during
third quarter 1998.


West Coast Petroleum Products Sales
<TABLE>
<CAPTION>
                                                           1998      1997
                                                           ----      ----
    Volumes (Barrels/day)
    <S>                                                  <C>       <C>
    Gasoline. . . . . . . . . . . . . . . . . . . . .    304,900   298,800
    Jet . . . . . . . . . . . . . . . . . . . . . . .     97,100   118,400
    Distillate. . . . . . . . . . . . . . . . . . . .     83,500    76,100
    Other . . . . . . . . . . . . . . . . . . . . . .     75,400    79,300
                                                         -------   -------
    Total . . . . . . . . . . . . . . . . . . . . . .    560,900   572,600
                                                         =======   =======

Other Operations

     The 1998 and 1997 results included earnings from Lower 48 pipeline and
aluminum operations.  The increase in 1998 earnings included special  items
of  $17  million  from the sale of pipeline assets.  The improved operating
results primarily reflected increased earnings from  the  Seaway pipeline
joint venture.


Discontinued Operations

     After-tax  earnings from discontinued operations in  the  1998  third
quarter  totaled  $12  million  before provision  of  $90  million  for  an
estimated   loss  on  the  divestment  of  coal  properties.   Discontinued
operations  included  ARCO's interest in ARCO  Chemical  for  part  of  the
quarter and Australian coal operations.


                                  - 21 -

<PAGE>
     In the 1997 third quarter, ARCO's discontinued operations earned $118
million before provision of $100 million in restructuring charges for ARCO
Chemical and  coal  operations.  Discontinued operations  included  ARCO's
interest in ARCO Chemical and Lyondell, as well as domestic and Australian
coal operations.


Gain on Disposition of ARCO Chemical Stock

     In  the third quarter of 1998, ARCO sold its entire interest in  ARCO
Chemical (80,000,001 shares of common stock) to Lyondell, an unrelated third
party, for $4.6 billion and recorded a net after-tax gain of $1,088 million.

     Previously, the Company entered into a ten-year purchase agreement with
ARCO Chemical providing for the delivery of fixed quantities of methyl
tertiary butyl ether ("MTBE") at a fixed price approximating the then-market
price.  Over the last several years the spot market price of MTBE has
declined; however, provision for loss on the contract was not required since
ARCO Chemical was a consolidated, majority-owned subsidiary of the Company.

     The  above-market MTBE contract value was reflected in the sale price
of the Company's interest in ARCO Chemical.  As a result, ARCO has deferred
$313 million of the pre-tax gain on sale of the ARCO Chemical interest. 
This deferral represents the estimated discounted present value of the
difference over the remaining term of the contract between the contract
price and the spot market price for MTBE.

     The deferral will be amortized over the remaining term of the contract
on  a  straight-line  basis.  The amortization and recognition  of  imputed
interest  will  have  a net favorable impact of approximately  $17  million
before  tax  per quarter on earnings of the Refining and marketing  segment
through the end of the contract in 2001.


Consolidated Revenues

</TABLE>
<TABLE>
<CAPTION>
                                                          1998     1997
                                                          ----     ----
                                                                (Restated)
    (Millions)
    <S>                                                  <C>      <C>
    Sales and other operating revenues
      Exploration and production . . . . . . . . . . .   $1,518   $2,144
      Refining and marketing . . . . . . . . . . . . .    1,386    1,783
      Other. . . . . . . . . . . . . . . . . . . . . .       42       47
      Intersegment eliminations. . . . . . . . . . . .     (291)    (480)
                                                          -----    -----
        Total. . . . . . . . . . . . . . . . . . . . .   $2,655   $3,494
                                                          =====    =====
</TABLE>
     The  decline  in  exploration and production sales revenues  resulted
primarily  from  lower  petroleum liquids  prices  and  lower  natural  gas
marketing  activity,  partially offset by an  11%  increase  in  production
volumes.   Effective September 1, 1997, Vastar contributed the majority of
its natural gas marketing operations to a joint venture  with the Southern
Company.  Primarily as a result of the  transfer of  those  operations, 
total natural gas sales volumes  decreased  to  2.5 billion cubic feet per
day in the 1998 third quarter, down from 3.6 billion cubic feet per day in
the 1997 third quarter.

     Refining and marketing sales revenues primarily decreased because  of
lower light product prices.

                                   - 22 -

<PAGE>
Consolidated Expenses

     Trade  purchases  were  lower primarily as a result  of  the  Vastar-
Southern  joint venture and lower crude oil prices.  Natural  gas  purchase
volumes  decreased  to  .5 billion cubic feet per day  in  the  1998  third
quarter,  down  from  1.8 billion cubic feet per  day  in  the  1997  third
quarter.

     Operating expenses were higher in 1998 primarily as a result  of  the
inclusion  of UTP operations in the third quarter 1998 results  and  higher
charges  for future environmental remediation, compared to the same  period
in 1997.

     Selling,  general  and  administrative  expenses  in  1998  primarily
reflected lower personnel expenses at corporate headquarters.

     Higher depreciation, depletion and amortization in 1998 reflected the
writedown  of  the California heavy oil holdings and the inclusion  of  UTP
operations in the third quarter 1998 results, compared to the third quarter
of 1997.

     The  lower  taxes other than income taxes in 1998 primarily  resulted
from the impact of lower crude oil prices on U.S. production taxes.


Income Taxes

     The Company had a tax benefit in the 1998 third quarter reflecting the
Company's  loss  from  continuing operations in the  current  period.   The
Company  had an effective tax rate of 19.4% in the 1997 third quarter.   An
effective  tax  rate  in  1997  lower than  the  statutory  rate  primarily
reflected various tax credits and other benefits.



Nine-Month Period Ended September 30, 1998 vs. Same Nine-Month Period 1997


Consolidated Earnings

     Net  income decreased to $1,246 million, down from the $1,389 million
reported  for  the first nine months of 1997.  Operating results  excluding
special items declined to $505 million, compared to $1,304 million for  the
first  nine  months  of 1997. The decline in earnings  primarily  reflected
lower crude oil prices.

     Special items for the first nine months of 1998 included the net after-
tax benefit of $799 million included in the third quarter 1998 results,  as
well as net charges of $58 million for special items in the first two quarters
of 1998.

     Special items for the first nine months of 1997 included the net after-
tax benefit of $85 million included in the third quarter 1997 results.

     In  addition, the first nine months of 1997 included an extraordinary
loss  of  $118 million after tax related to early retirement of debt.   The
impact of the extraordinary loss was offset by the reversal of reserves for
taxes  and  related  interest  which resulted primarily  from  the  partial
resolution of certain federal and state income tax audits.

                                  - 23 -

<PAGE>
After-tax Segment Earnings
<TABLE>
<CAPTION>
                              1998                    1997 (Restated)
                   ---------------------------    ---------------------------
                             Less:                         Less:
                            Special                       Special
                             Items                         Items
                    Net   (Charge)  Operating      Net   (Charge)  Operating
(Millions)         Income   Benefit   Results     Income   Benefit   Results
                   ------ --------- ---------     ------ --------- ---------
(s)                <C>      <C>        <C>        <C>       <C>      <C>     
Exploration and
 production . . .  $  143   $ (169)    $312       $1,061    $ 22     $1,039
Refining and
 marketing. . . .     224        -      224          250       -        250
Other operations.      98       17       81           57      (9)        66
Interest expense.    (236)       -     (236)        (176)     89       (265)
Other unallocated 
 expenses . . . .    (169)    (117)     (52)        (185)    (90)       (95)
                    -----    -----      ---        -----     ---      -----
Income (loss)
 from continuing
 operations . . .      60     (269)     329        1,007      12        995
Income (loss)
 from discontinued
 operations . . .      98      (78)     176          209    (100)       309
Gain on disposition
 of stock*  . . .   1,088    1,088        -          291     291          -
Extraordinary item      -        -        -         (118)   (118)         -
                    -----    -----      ---        -----     ---      -----
  Net income. . .  $1,246   $  741     $505       $1,389    $ 85     $1,304
                    =====    =====      ===        =====     ===      =====

*1998:  Approximate 82% interest in ARCO Chemical; 1997:  49.9% interest in
Lyondell.
</TABLE>

Consolidated Revenues
<TABLE>
<CAPTION>
                                                        1998       1997
                                                        ----       ----
                                                                (Restated)
   (Millions)
   <S>                                                <C>        <C>
   Sales and other operating revenues
     Exploration and production . . . . . . . . . . . $ 4,424    $ 7,390
     Refining and marketing . . . . . . . . . . . . .   4,170      5,106
     Other. . . . . . . . . . . . . . . . . . . . . .     137        148
     Intersegment eliminations. . . . . . . . . . . .    (976)    (1,724)
                                                       ------     ------
       Total. . . . . . . . . . . . . . . . . . . . . $ 7,755    $10,920
                                                       ======     ======
</TABLE>
     The decline in exploration and production sales revenues for the first
nine  months of 1998 resulted primarily from lower petroleum liquids prices
and  natural  gas marketing activity.  Effective September 1, 1997,  Vastar
contributed the majority of its natural gas marketing operations to a joint
venture  with the Southern Company.  Primarily as a result of the  transfer
of  those  operations,  total natural gas sales volumes  decreased  to  2.4
billion cubic feet per day for the first nine months of 1998, down from 4.1
billion cubic feet per day for the same period in 1997.

     For  the  first  nine  months of 1998 refining  and  marketing  sales
revenues primarily decreased because of lower refined products prices.

                                 - 24 -
<PAGE>
Consolidated Expenses

     Trade  purchases for the nine months ended September  30,  1998  were
lower  primarily  as  a result of lower crude oil prices  and  the  Vastar-
Southern  joint  venture.   Natural gas purchase volumes  decreased  to  .5
billion  cubic feet per day in 1998, down from 2.2 billion cubic  feet  per
day in the same period in 1997.

     Operating  expenses declined during the first nine  months  of  1998,
compared  to  the  same period in 1997 primarily as a result  of  decreased
natural gas marketing activity and other cost reductions in the exploration
and production operations of the Company.

     The increased depreciation, depletion and amortization expense for the
first nine months of 1998 included a writedown of the California heavy  oil
holdings, a writedown of a North Sea natural gas field and the inclusion of
UTP operations in the third quarter 1998.

     The  higher  exploration expense for the first nine  months  of  1998
reflected  increased  geological and geophysical  and  dryhole  expense  in
international operations and higher dryhole expense at Vastar.

     The  lower  taxes other than income taxes in 1998 primarily  resulted
from the impact of lower crude oil prices on U.S. production taxes.

     For  the  nine  months ended September 30, 1998, the higher  interest
expense  reflected the absence of the reversal of reserves for  tax-related
interest  in the second quarter of 1997.  Excluding the prior year  reserve
reversal,  interest expense was down almost $65  million in the first  nine
months of 1998 as a result of debt retirements and capitalized interest.


Income Taxes

     The  Company  had  a tax benefit for the first nine  months  of  1998
reflecting the Company's loss from continuing operations for the first nine
months  of  1998.  The Company had an effective tax rate of 30.8%  for  the
first  nine months of 1997.  An effective tax rate in 1997 lower  than  the
statutory  rate primarily reflected various tax credits and the net  effect
of affiliate stock transactions.


Average Oil and Gas Prices
<TABLE>
<CAPTION>
                                                        Nine Months Ended
                                                          September 30,
                                                        -----------------
                                                          1998      1997
                                                          ----      ----
      <S>                                                <C>       <C>
      U.S.
        Petroleum liquids - per bbl
          Alaska  . . . . . . . . . . . . . . . . . . .  $ 8.59    $15.36
          Lower 48, including Vastar. . . . . . . . . .  $11.31    $17.03
          Composite average price . . . . . . . . . . .  $ 9.55    $15.90
        Natural gas - per mcf . . . . . . . . . . . . .  $ 1.85    $ 1.97
</TABLE>
<TABLE>
<CAPTION>
                                                        Nine Months Ended
                                                          September 30,
                                                        -----------------
                                                          1998      1997
                                                          ----      ----
      <S>                                                <C>       <C>
      International
        Petroleum liquids - per bbl . . . . . . . . . .  $11.62    $18.36
        Natural gas - per mcf . . . . . . . . . . . . .  $ 2.51    $ 2.64
        Indonesia liquid natural gas. . . . . . . . . .  $ 2.29    $    -
</TABLE>

                                   - 25 -

<PAGE>
Petroleum Liquids and Natural Gas Production
<TABLE>
<CAPTION>
                                                          1998        1997
                                                          ----        ----
      <S>                                                <C>         <C>
      Net Production*
      U.S.
        Petroleum liquids - bbl/day
          Alaska . . . . . . . . . . . . . . . . . . .   346,100     377,300
          Vastar . . . . . . . . . . . . . . . . . . .    48,600      51,100
          Other Lower 48 . . . . . . . . . . . . . . .   138,500     127,600
                                                       ---------   ---------
            Total. . . . . . . . . . . . . . . . . . .   533,200     556,000
        Natural gas - mcf/day. . . . . . . . . . . . . 1,125,000   1,058,700

        Barrels of oil equivalent - (BOE)/day. . . . .   720,700     732,400

      International
        Petroleum liquids - bbl/day. . . . . . . . . .   111,500      76,800
        Natural gas - mcf/day. . . . . . . . . . . . .   793,100     830,800
        BOE/day. . . . . . . . . . . . . . . . . . . .   243,700     215,300

        Total net production - BOE/day . . . . . . . .   964,400     947,700
      _______________
      *  Includes ARCO's share of production from equity affiliates.  For
         BOE calculation, natural gas is converted at the ratio of 6 mcf
         to 1 barrel of liquid.
</TABLE>


Liquidity and Capital Resources
<TABLE>
<CAPTION>
                                                                   1998
                                                                   ----
          (Millions)
          <S>                                                    <C>
          Cash flow provided (used) by:
          Operations. . . . . . . . . . . . . . . . . . . . .    $ 1,392
          Investing activities. . . . . . . . . . . . . . . .    $   256
          Financing activities. . . . . . . . . . . . . . . .    $(1,038)
</TABLE>

     The net cash used by investing activities in the first nine months of
1998  included  expenditures of $4.6 billion from the disposition of ARCO
Chemical stock and the proceeds from other net asset sales, primarily U.S.
coal assets, of $1.1 billion offset by expenditures for the purchase of
UTP for $2.7 billion and additions to fixed assets of $2.5 billion.

     The net cash provided by financing activities in the first nine months
of  1998  primarily included a decrease of $347 million in the  Company's
short-term debt position offset by dividend payments of $688 million.

     Cash  and  cash equivalents and short-term investments  totaled  $1.3
billion and short-term borrowings were $1.2 billion at the end of the third
quarter  of  1998.   Primarily  as a result of  the  income  taxes  payable
associated  with  the  sale of ARCO Chemical stock, the  Company  is  in  a
working capital deficit position of approximately $2.2 billion at September
30,  1998.   It  is  expected  that future cash  requirements  for  working
capital, capital expenditures, dividends and debt repayments will come from
cash  generated  from operating activities, existing cash balances,  short-
term borrowing and future financings.


                                  - 26 -

<PAGE>
Impact of the Year 2000 Issue

     The  Year  2000  issue  arises from computer  programs  and  embedded
computer  chips being unable to distinguish between the year 1900  and  the
year  2000,  resulting  in system failures or miscalculations that cause
operational disruptions.

     In addressing the Year 2000 issue, ARCO divided the project into three
components:   (1)   computing  integrity,  which  covers  all   information
technology systems, including telecommunications/network support  (software
and  hardware)  and third-party hardware and software not in  ARCO's  plant
facilities,  (2)  plant integrity, which covers all hardware  and  software
responsible for the movement of product in ARCO's various plant facilities,
and  (3)  commercial  integrity,  which  covers  all  external  third-party
relationships, non-ARCO operated joint ventures and third-party operated
production, including the Trans Alaska Pipeline System ("TAP").  ARCO is
managing the project internally and is working to assure Year 2000 integrity
by conducting internal audits.  The Company has also hired outside con-
sultants to do certain minor audits.  The Company's implementation of the
Year 2000 Project has not impacted other technology projects.

     The Company has developed the following guidelines to achieve Year 2000
compliance:  (1) Inventory preparation - the Company will first prepare an
inventory of items for each material asset covering the components; (2)
Prioritize inventory - the Company will then evaluate each item for its
potential to interfere with critical operations such that failure would
result in a material adverse effect on ARCO's operations; (3) Option assess-
ment - the Company will evaluate various remediation strategies to mitigate
Year 2000 effects including repair, replacement and retirement; (4) Implement
appropriate options - the Company will execute the appropriate selected
remediation strategy; (5) Continued monitoring - the Company will institute
processes after remediation has been completed for ensuring continued Year
2000 compliance.

     The criticality of Year 2000 inventory items is evalulated, in 
descending order, based on the following considerations:  if a failure
attributable to the Year 2000 were to occur, a determination will be made
of its impact on (1) health and safety of ARCO employees; (2) the environ-
ment; (3) ARCO's revenues; and/or (4) ARCO's business relationships.  In
addition, these Year 2000 items are being evaluated in the context of ARCO's
existing business interruption plans, which contain provisions for opera-
tional disruptions caused by disasters such as earthquakes and hurricanes
which may have effects comparable to those that may be caused by Year 2000
failures.

     At the date hereof, the Company estimates that it will have achieved
the percentage completion of remediation of material Year 2000 items
affecting its exploration and production and refining and marketing segments
as follows:  (1) Computing integrity is expected to be 90% completed by year
end 1998, with 100% achieved during the second quarter of 1999.  (2) Plant
integrity is expected to be 50% completed by year end 1998, with 100%
achieved during the second quarter of 1999.  (3) Commercial integrity is
expected to be 25% completed by year end 1998, with 100% achieved by the
end of the second quarter of 1999.  In the event that these completion goals
are not met, or the remediation work is unsuccessful in avoiding material
Year 2000 problems, the Company believes that its existing business
disruption plans will adequately cover any material business interruptions
resulting from material non-compliant Year 2000 items.

     The total cost associated with required modifications to achieve Year
2000 compliance is not expected to be material to the Company's financial
position.  The approximate total cost of the Year 2000 project is $25 million.
This estimate does not include ARCO's potential share of Year 2000 costs that
may be incurred by partnerships and joint ventures in which the Company
participates but is not the operator.  The total amount expended through
September 30, 1998 was approximately $14 million.


                                   - 27 -

<PAGE>
     The failure to correct a material Year 2000 problem could result in an
interruption in, or a failure of, certain normal business activities or
operations.  Such failures could materially and adversely impact the
Company's results of operations or financial condition.  As a result of the
general uncertainty inherent in the Year 2000 problem, the Company is unable
to determine at this time whether the consequences of Year 2000 failures will
have a material impact on the Company's results of operations or financial
condition.  Completion of the Company's Year 2000 compliance guidelines, if
implemented as scheduled, is expected to reduce the possibility of material
disruptions of normal operations.

     The foregoing "Impact of the Year 2000 Issue" contains forward-looking
statements that should be read in conjunction with the disclosures under the
heading "Safe Harbor Cautionary Statement."


Safe Harbor Cautionary Statement

     ARCO desires to take advantage of the "safe harbor" provisions contained
in Section 27A of the Securities Act of 1933, as amended (the "1933 Act"), 
and Section 21E of the Securities Exchange Act of 1934, as amended (the "1934
Act"), and is including this statement herein in order to do so.

     The discussion above contains forward-looking statements (which may
come within the meaning of Section 27A of the 1933 Act and Section 21E of
the 1934 Act).  Readers are cautioned that these statements are based upon
certain assumptions, including but not limited to assumptions as to the
availability of trained personnel and the ability to timely identify and
locate all relevant Year 2000 issues which might affect the Company and
the assumption that representations by third parties are correct.  The
Company also assumes that the Company's repair and replacement programs
will be timely completed and that certain vendors and contractors will
timely perform as promised.  Actual results could differ materially if the
Company's assumptions are incorrect.  Due to the general uncertainty as to
the Year 2000 readiness of third parties and the interconnection of business,
the Company cannot ensure its ability to resolve its Year 2000 problems in
a timely and cost effective manner.  The failure to do so could affect the
Company's operations and business or expose it to third-party liability.


Statements of Financial Accounting Standards Not Yet Adopted

     In March 1998, the American Institute of Certified Public Accountants
("AICPA")  issued Statement of Position ("SOP") 98-1, "Accounting  for  the
Costs of Computer Software Developed or Obtained for Internal Use."  SOP
98-1 is effective for financial statements for fiscal years beginning after
December  15,  1998.  SOP 98-1 establishes criteria for  determining  which
costs  of developing or obtaining internal-use computer software should  be
charged  to  expense  and  which should be capitalized.   The  Company  has
determined that the adoption of SOP 98-1 will not have a material effect on
ARCO's financial position or results of operations.

     In  April  1998, the AICPA issued SOP 98-5, "Reporting the  Costs  of
Start-up  Activities."  SOP 98-5 is effective for financial statements  for
fiscal years beginning after December 15, 1998.  SOP 98-5 states that costs
of start-up activities, including organization costs, should be expensed as
incurred.   The Company has determined that the adoption of SOP  98-5  will
not  have  a  material effect on ARCO's financial position  or  results  of
operations.

                                  - 28 -

<PAGE>
     In  June  1998,  the  Financial  Accounting  Standards  Board  issued
Statement  of Financial Accounting Standards ("SFAS") No. 133,  "Accounting
for  Derivative Instruments and Hedging Activities."  SFAS No. 133 requires
companies  to  adopt its provisions for all fiscal quarters of  all  fiscal
years  beginning after June 15, 1999.  Earlier application of  all  of  the
provisions  of  SFAS  No. 133 is permitted, but the  provisions  cannot  be
applied  retroactively  to financial statements  of  prior  periods.   SFAS
standardizes the accounting for  derivative  instruments by requiring that
an  entity  recognize  those items  as assets or liabilities in the statement
of financial position  and measure  them at fair value.  The Company has not
yet completed  evaluating the impact of the provisions of SFAS No. 133.

                      _______________________________


      Management  cautions against projecting any future results  based  on
present  earnings levels because of economic uncertainties, the extent  and
form  of  existing  or future governmental regulations and  other  possible
actions by governments.
                                     
                                   - 29 -

<PAGE>                                     
                        PART II.  OTHER INFORMATION


Item 1.  Legal Proceedings.

1.   Reference is made to the disclosure on page 12 of the Company's Annual
     Report on Form 10-K for the year ended December 31, 1997 (hereinafter,
     the  "1997  Form 10-K Report"), on page 21 of the Company's  Quarterly
     Report on Form 10-Q for the quarterly period ended March 31, 1998 (the
     "First  Quarter  Form 10-Q Report") and on page 28  of  the  Company's
     Quarterly Report on Form 10-Q for the quarterly period ended June  30,
     1998  (the  "Second  Quarter Form 10-Q Report") regarding  Montana  v.
     ARCO (Case No. CV-83-317-HLN-PGH).  On June 19, 1998,  ARCO and the
     State lodged with the court a conditional consent decree to settle for
     $135 million all but a portion of the State's natural resource damage
     ("NRD") claims and for $80 million claims for cleanup at the Stream
     Side Tailings Operable Unit ("SSTOU").  The NRD claims of the State
     not settled are for restoration at three sites for which a final
     cleanup plan has not been ordered.  As part of the settlement, ARCO,
     the State, the United States, and the Tribes expect to lodge with the
     court a second consent decree setting forth the terms of the settlement
     of claims for cleanup and also settling claims for past costs and a
     civil penalty at the SSTOU.  That consent decree will also provide
     for settlement of United States and Tribal NRD claims in the Clark
     Fork Basin.  All of these settlements are subject to court approval.

2.   Reference  is made to the disclosure on page 12 of the Company's  1997
     Form 10-K Report and on page 28 of the Second Quarter Form 10-Q Report
     regarding  the  case of U.S. v. ARCO, et al. (Case  No.  CV-89-039-BU-
     PGH).   The proposed settlements in Montana v. ARCO, described  above,
     will  resolve the claims and counterclaims in U.S. v. ARCO  pertaining
     to  the  SSTOU  and  will  provide  a framework  for  possible  future
     settlements of the remaining claims.

3.   Reference  is  made  to  the disclosure on pages  12  and  13  of  the
     Company's 1997 Form 10-K Report regarding a complaint entitled  In  re
     Hanford  Nuclear Reservation Litigation (CY-91-3015-AAM).   On  August
     21,  1998, the court issued a ruling that, if upheld on appeal, should
     result in the dismissal of ARCO and its subsidiary, Atlantic Richfield
     Hanford Company, from the case.

4.   Reference is made to the disclosure on page 14 of the  Company's  1997
     Form 10-K Report and on page 28 of the Second Quarter Form 10-Q Report
     regarding Siemens Solar Industries v. Atlantic Richfield Company (Case
     No. 94-109092).  On October 27, 1998, the New York Court of Appeals
     denied Siemens' motion for leave to appeal the summary judgment,
     concluding this lawsuit in ARCO's favor.

5.   Reference  is made to the disclosure on page 14 of the Company's  1997
     Form 10-K Report and on page 21 of the First Quarter Form 10-Q Report"
     regarding  ARCO,  et  al.  v. UNOCAL (Case No.  95-2379-KMW-JRx).   On
     September 29, 1998, the court issued a judgment in favor of UNOCAL for
     $10.3  million  (including  prejudgment  interest)  against  ARCO  for
     infringing gallons during the first five months of production and  for
     $1.5  million  joint  and  several against ARCO  and  the  other  five
     refiners for UNOCAL's attorneys fees.  ARCO has appealed the  decision
     to the Court of Appeals for the Federal Circuit.

6.   Reference is made to the disclosure on page 28 of the Company's Second
     Quarter Form 10-Q Report regarding ARCO's receipt of a Finding of
     Violation from EPA Region IX for alleged violations at the Los Angeles
     Refinery of the federal New Source Performance Standards established
     for refineries under the Clean Air Act.  Settlement discussions with
     EPA continue.

                                    - 30 -

<PAGE>
Item 1.  Legal Proceedings (continued).

7.   On  June  7,  1994,  a  purported class action was  filed  by  several
     individuals   in   United  States  District   Court   in   Pittsburgh,
     Pennsylvania against ARCO and Babcock & Wilcox Company ("B  &  W")  on
     behalf  of  persons "estimated to be in the thousands"  who  lived  or
     worked  in Apollo and Parks Township, Pennsylvania, and areas downwind
     of  those places, from 1957 to the present.  The suit, Hall, et al. v.
     Babcock  & Wilcox Company, et al. (Case No. 94-0951), claims that  the
     plaintiffs  and  alleged  class members were exposed  to  releases  of
     radioactive  and  other  toxic substances from two  nuclear  materials
     processing  facilities  that  have contaminated  the  air,  soil,  and
     surface and ground water in those communities.  The suit seeks damages
     for death and personal injury, diminution in property values, costs of
     decontamination of property, injunctive relief requiring defendants to
     establish  a fund for medical monitoring, and punitive damages.   ARCO
     has  been  sued as the former owner of Nuclear Materials and Equipment
     Corporation ("NUMEC"), the original owner and operator of  the  Apollo
     and  Parks Township facilities from March 1967 to November 1971.  On
     September 17, 1998, the jury in a trial of eight "test-case" plaintiffs'
     claims returned a verdict  of $33.7 million jointly and severally
     against ARCO and B & W and another $2.8  million just against B & W.
     On September 24, 1998, these  eight test-case plaintiffs withdrew their
     claim for punitive damages against ARCO.   ARCO and B & W have filed
     motions for judgment in their  favor or for a new trial.  The claims of
     other plaintiffs remain for  trial or other disposition.

8.   On October 22, 1998, ARCO was served with a complaint filed in the
     Superior Court of California for the County of Sacramento entitled
     Cal-Tex Citrus Juice, et al. v. Atlantic Richfield Company, et al.
     (Case  No. 98AS05227).  The complaint is purportedly on behalf of a
     class of all direct or indirect purchasers of California diesel fuel
     between March 19, 1996 and December 31, 1997 against all California
     refiners of California diesel fuel.  The complaint alleges violations
     of various state statutes by the defendants' alleged conspiracy to
     fix prices of California diesel fuel and seeks treble damages and
     restitution.

9.   Reference  is  made  to  the  Company's  1997  Form  10-K  Report  for
     information on other legal proceedings matters reported herein.


                                 - 31 -

<PAGE>
Item 6.  Exhibits and Reports on Form 8-K

    (a) Exhibits.

        10.1  Amendment No. 4 to the Atlantic Richfield Company
              Supplementary Executive Retirement Plan, effective as of
              August 1, 1997, filed herewith.

        10.2  Amendment No. 4 to the Atlantic Richfield Company Executive
              Deferral Plan, effective as of January 1, 1997, filed herewith.

        10.3  Amendment No. 5 to the Atlantic Richfield Company Annual 
              Incentive Plan, effective as of July 28, 1997, filed herewith.

        10.4  Amendment No. 6 to the Atlantic Richfield Company Annual
              Incentive Plan, effective as of July 28, 1997, filed herewith.

        10.5  Amendment No. 10 to the Atlantic Richfield Company 1985
              Executive Long-Term Incentive Plan, effective as of July 28,
              1997, filed herewith.

        10.6  Amendment No. 11 to the Atlantic Richfield Company 1985
              Executive Long-Term Incentive Plan, effective as of July 28,
              1997, filed herewith.

        10.7  Amendment No. 6 to Atlantic Richfield Company Special
              Termination Allowance Plan which contains the current change
              of control provisions applicable to the Company's executive
              management team, including its five most highly compensated
              executive officers.

        27    Financial Data Schedule.


   (b) Reports on Form 8-K

       The following Current Reports on Form 8-K were filed during the
       quarter ended September 30, 1998 and through the date hereof.

         Date of Report          Item No.          Financial Statements
         --------------          --------          --------------------
       September 30, 1998           5                     None


                                     - 32 -

<PAGE>
                                 SIGNATURE


     Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by
the undersigned thereunto duly authorized.

                                            ATLANTIC RICHFIELD COMPANY
                                                    (Registrant)


                                               /s/ ALLAN L. COMSTOCK
Dated:  November 10, 1998                   ____________________________
                                                     (signature)
                                                 Allan L. Comstock
                                            Vice President and Controller
                                            (Duly Authorized Officer and
                                            Principal Accounting Officer)


                                  - 33 -



                                
                         AMENDMENT NO. 4
                               TO
                   ATLANTIC RICHFIELD COMPANY
             SUPPLEMENTARY EXECUTIVE RETIREMENT PLAN
                   __________________________

Pursuant  to  the  power  of  amendment  reserved  therein,   the
following  amendment  is  hereby made to the  Atlantic  Richfield
Company  Supplementary  Executive Retirement  Plan  (the  "Plan")
effective as of August 1, 1997.

Article IX, Section 6 of the Plan is amended to read as follows:

"Section 6.    Change of Control

6.1       During an Anticipatory Change of Control as defined  in
the  Supplemental Executive Benefit Plans Trust Agreement between
Atlantic  Richfield  Company  and State  Street  Bank  and  Trust
Company,  as  adopted on July 1, 1994 and amended  from  time-to-
time   thereafter,   and   incorporated  herein   by   reference,
notwithstanding any other provision to the contrary in this Plan,
the following provisions shall apply:

     (a)   No  new  participants  or beneficiaries  may  commence
participation in the Plan; and
     
     (b)   No new elections of distribution options or any  other
participant elections may be made.
     
6.2        Upon the occurrence of a Change of Control as  defined
in  the  Supplemental  Executive Benefit  Plans  Trust  Agreement
between  Atlantic  Richfield Company and State  Street  Bank  and
Trust  Company, as adopted on July 1, 1994 and amended from time-
to-time   thereafter,  and  incorporated  herein  by   reference,
notwithstanding any other provision to the contrary in this Plan,
the following provisions shall apply:

      (a)   The  Plan  shall be terminated with  respect  to  all
Participants who were employed on or after October  1,  1990  and
who either are in receipt of an annuity or who are entitled to  a
benefit,  a  portion of which is attributable to the Supplemental
Benefit calculated under Article II of the Plan.

      (b)  Benefits of Participants described in Subparagraph (a)
shall be treated as follows:

           (1)  With respect to any Participant or Beneficiary in
receipt  of  an  annuity form of payment, such annuity  shall  be
converted to an Actuarial Equivalent Lump Sum in accordance  with
actuarial   factors   established   by   the   Independent   Plan
Administrator, with verification by an independent actuary.

                                - 1 -

<PAGE>
           (2)   With  respect to any Participant who is  not  in
receipt  of  an  annuity  and  a  portion  of  whose  benefit  is
attributable to the Supplemental Benefit calculated under Article
II  of  the Plan, the total accrued benefit under the Plan as  of
the  date  of  the Change of Control shall be calculated  by  the
Independent   Plan   Administrator,  based   upon   records   and
information,  including  benefit calculations,  provided  by  the
Company  prior to a Change of Control, and the Participant  shall
be entitled to such accrued benefit.

           (3)   The Actuarial Equivalent Lump Sum value  of  the
accrued benefit calculated under the preceding subparagraph shall
also  be calculated using the actuarial factors established under
Subparagraph (1) above with respect to Participants:

                (i)  Who were employed by the Company on the date
of  the Change of Control or were employed by the Company  on  or
after October 1, 1990; and

                (ii)  Who have yet to commence a distribution.

       (c)    Participants  and  Beneficiaries  described   under
Subparagraph (a) shall be permitted to elect disposition  of  the
benefit,  in  accordance  with  procedures  established  by   the
Independent Plan Administrator, as follows:

           (1)   Single payment of the Actuarial Equivalent  Lump
Sum value calculated under Subparagraph (b) above in cash as soon
as possible following the Change of Control; or

           (2)   Transfer of benefit obligations from the Plan
equaling the Actuarial Equivalent Lump Sum value calculated under
Subparagraph (b) above to the Atlantic Richfield Executive Deferral
Plan as soon as possible following the Change of Control, under which
such  benefit  obligations shall be maintained as a new  deferral
account, payable in accordance with an election made pursuant  to
procedures  established  by  the Independent  Plan  Administrator
under the Atlantic Richfield Executive Deferral Plan.

       (d)   The Independent Plan Administrator appointed pursuant
to   the  Trust  Agreement  described  above  shall  assume  full
responsibility of the Plan Administrator under Article VII of the
Plan,   subject  to  any  approvals,  concurrences  or  authority
reserved  to the Advisory and Claims Committee established  under
the Trust Agreement described above."

     Executed this 5th day of November, 1998.

ATTEST:                            ATLANTIC RICHFIELD COMPANY


BY: /s/ Armineh Simonian           BY:  /s/ JOHN H. KELLY
    ---------------------             ------------------------
                                        John H. Kelly
                                        Senior Vice President
                                        Human Resources

                              - 2 -


                         AMENDMENT NO. 4
                               TO
                   ATLANTIC RICHFIELD COMPANY
                     EXECUTIVE DEFERRAL PLAN
                   __________________________

Pursuant  to  the  power  of  amendment  reserved  therein,   the
following  amendment  is  hereby made to the  Atlantic  Richfield
Company  Executive  Deferral Plan (the "Plan")  effective  as  of
January 1, 1997, except as otherwise indicated.

1.   Article  I,  Section 3.1 of the Plan is amended to  read  as
     follows:

     "3.1 Account  or  Deferred  Compensation  Account  means   a
          separate bookkeeping account maintained by the  Company
          for each Employee and which measures and determines the
          amounts  to be paid to the Employee under the Plan  for
          each   component  of  Deferred  Compensation.  Separate
          subaccounts will be established for separate components
          of Deferred Compensation, as applicable, deferred by an
          Employee."

2.   Article  II,  Section 1 of the Plan is amended  to  read  as
     follows:

     "Section 1.  Eligibility and Participation

     1.1         Eligibility.  Eligibility  to  make  a  Deferral
     Commitment  shall be limited to Employees who  (a)  (i)  are
     eligible to receive an Award, and (ii) either are classified
     in  the executive payroll grade structure of the Company, or
     are  Grades  7,  8,  9  or 10 in the regular  payroll  grade
     structure  of  the  Company, (b) are a  Participant  in  the
     Executive  Supplementary  Savings  Plan  or  (c)  have  been
     designated  as  eligible  by a specific  resolution  of  the
     Administrative Committee upon recommendation of  the  Senior
     Vice President, Human Resources of the Company."

3.   Article III, Section 3(b) of the Plan is amended to read  as
     follows:

     "(b) Guaranteed Interest Rate.  Absent a Change of  Control,
          in no event will the Interest Rate applicable to (i)  a
          Participant's Account during the Participant's lifetime
          (including  any Transferred Accounts from the  Atlantic
          Richfield  Annual  Incentive Plan)  be  less  than  the
          Citibank  Base Rate, or (ii) Transferred Accounts  from
          the  Atlantic Richfield Executive Supplementary Savings
          Plan  be  less than the Money Market Rate  of  interest
          under  the Capital Accumulation Plan for the period  of
          time  commencing on the date of transfer and ending  on
          the date the Accounts are paid."


                                  - 1 -
<PAGE>
4.    Effective August 1, 1997, Section 11 of Article IV  of  the
Plan is amended to read as follows:

     "Section 11.  Change Of Control

     11.1  (a)   During  an Anticipatory Change  of  Control,  as
     defined  in  the Supplemental Executive Benefit Plans  Trust
     Agreement  between  Atlantic  Richfield  Company  and  State
     Street  Bank and Trust Company, as adopted on July  1,  1994
     and  amended  from time-to-time thereafter, and incorporated
     herein by reference, notwithstanding any other provision  to
     the  contrary  in this Plan, the following provisions  shall
     apply:

                (i)  No  new  participants or  beneficiaries  may
     commence participation in the Plan; and
               
                (ii)  No new elections of distribution options or
     any other participant elections may be made.

          (b)   Subject  to  the  provisions of  Section  11.1(c)
     hereof,  upon  a  Change  of  Control  as  defined  in   the
     Supplemental Executive Benefit Plans Trust Agreement between
     Atlantic  Richfield Company and the State  Street  Bank  and
     Trust  Company, as adopted on July 1, 1994 and amended  from
     time-to-time   thereafter,  and   incorporated   herein   by
     reference,  notwithstanding  any  other  provision  to   the
     contrary in this Plan, the following provisions shall apply:

                (i)  The Independent Plan Administrator appointed
     under  the Trust Agreement shall assume all responsibilities
     relating to Administration under Article Vl of the Plan with
     the exception that the disposition of any claim for benefits
     by  a  Participant  or  Beneficiary,  following  an  initial
     determination  by the Independent Plan Administrator,  shall
     be  the  sole  responsibility of  the  Advisory  and  Claims
     Committee  established under the Trust Agreement,  described
     above.

                (ii)  No  individual  may commence  participation
     following the Change of Control.

                (iii)      No  deferrals relating  to  previously
     elected  Deferral  Commitments may  be  made  following  the
     Change  of  Control,  except that any  Salary  or  Executive
     Supplementary Savings Plan amounts earned through  the  date
     of the Change of Control during the relevant Plan year shall
     be credited in accordance with the prior deferral election.

                                 - 2 -

<PAGE>
                (iv)  Any  amounts determined by the  Independent
     Plan Administrator to be transferable to this Plan from  the
     Atlantic    Richfield   Company   Supplementary    Executive
     Retirement   Plan  pursuant  to  an  eligible  Participant's
     election under such plan following a Change of Control shall
     be  accepted  by  the  Independent  Plan  Administrator  and
     credited to the affected Participant's Deferral Account.

            (c)   Time  and  form  of  distribution  of  Deferred
     Compensation Accounts following a Change of Control:

                (i)   Following  a Change of Control,  any  prior
     elections  with  respect  to the  form  of  payment  of  any
     Deferred  Compensation Account shall  be  canceled  and  the
     Participant will be given the option to elect, in accordance
     with   procedures   established  by  the  Independent   Plan
     Administrator,  including the time and manner  of  election,
     distribution  of  the  Participant's  Deferred  Compensation
     Account in one of the following forms.

                     (1)   Single payment, constituting all or  a
     portion  (selected in percentages and/or amounts  prescribed
     by  the  Independent  Plan Administrator)  of  the  Deferred
     Compensation  Account, as elected by the Participant.  If  a
     portion  of the Deferred Compensation Account is distributed
     in a single payment, the remainder will be distributed under
     one  of the following installment methods, as elected by the
     Participant:

                    (2)  Five annual installments
                    (3)  Ten annual installments
                    (4)  Fifteen annual installments
                    (5)  Twenty annual installments

                    Absent  such election within the time  period
     determined  by  the  Independent  Plan  Administrator,   the
     Deferred  Compensation Account will be  distributed  to  the
     Participant in a single payment.

                (ii)  Following  a Change of Control,  any  prior
     elections  with  respect  to the  time  of  payment  of  any
     Deferred  Compensation Account shall  be  canceled  and  the
     Participant will be given the option to elect, in accordance
     with   procedures   established  by  the  Independent   Plan
     Administrator, described above, distribution of the Deferred
     Compensation Account elected under Subparagraph (ii), at one
     the following times:

                     (1)  A single payment will be distributed to
     the Participant as soon as possible following the Change  of
     Control;

                                  - 3 -

<PAGE>
                     (2)   The Participant may elect commencement
     of   any   of   the  installment  schedules  elected   under
     Subparagraph (i) above in the January immediately  following
     the  Change  of Control or any succeeding January,  provided
     that in no event may distributions continue after the end of
     the 20th calendar year following a Change of Control."


Executed this 5th day of November, 1998.

ATTEST:                            ATLANTIC RICHFIELD COMPANY



BY: /s/ Armineh Simonian           BY:  /s/ JOHN H. KELLY
    --------------------              -----------------------
                                        JOHN H. KELLY
                                        Senior Vice President
                                        Human Resources

                              - 4 -


                          AMENDMENT NO. 5
                                TO
                    ATLANTIC RICHFIELD COMPANY
                       ANNUAL INCENTIVE PLAN
                    ___________________________
                                 
                                 
Pursuant  to  authority contained in resolutions  adopted  by  the
Board  of  Directors on July 28, 1997, the following amendment  is
hereby  made  to  the Atlantic Richfield Company Annual  Incentive
Plan (the "Plan"), effective July 28, 1997.

1.    Paragraphs  2(m), 2(y) and 2(z) of the Plan are  amended  to
read as follows:

          "(m) "Company" means ARCO and its Subsidiaries.

          (y)  "Salary Grade" means the classification assigned to
     an Employee by ARCO.

          (z)  "Subsidiary" means any corporation, the majority of
     the  voting  stock  of  which, or any  partnership  or  joint
     venture,  the  majority of the profits  interest  or  capital
     interest of which, is owned directly or indirectly by ARCO or
     a Corporation, as applicable."

2.   Subsections (bb), (cc), (dd), (ee), (ff), (gg), (hh), (ii) and
(jj) are added to Section 2 of the  Plan  to  read  as follows:

          "(bb)     "Anticipatory Change of Control" means (1) the
     execution of an agreement or a written document which, if the
     subject thereof were consummated, would result in a Change of
     Control;  (2) a public announcement by any Person,  including
     ARCO,   of   an  intent  to  take  an  action(s)  which,   if
     consummated, would result in a Change of Control; or (3)  the
     delivery of a signed, written statement to the Trustee of the
     Change of Control Trust and ARCO's Independent Auditor by the
     Chief  Financial Officer of ARCO and General Counsel of  ARCO
     that an Anticipatory Change of Control is in effect, provided
     that,  with  respect to any of the above three circumstances,
     the Anticipatory Change of Control shall not be effective until
     approved by either the Board or the Executive Committee of the
     Board.
     
           (cc)  "ARCO"  means  Atlantic  Richfield  Company,  its
     successors and assigns.
     
           (dd)  "Benefit Trigger Window" means the 24-month period
     commencing on the date that a Change of Control occurs.
     
           (ee)  "Change of Control" means:

                                - 1 -

<PAGE>     
                (1)   Consummation of a reorganization, merger  or
     consolidation  or  sale  or  other  disposition  of  all   or
     substantially  all  of  the  assets  of  ARCO  (a   "Business
     Combination"), unless, in each case, following such  Business
     Combination:
     
                      (i)    All  or  substantially  all  of   the
     individuals  and  entities who were  the  beneficial  owners,
     respectively, of the then outstanding shares of common  stock
     (the  "Outstanding Common Stock") of ARCO  and  the  combined
     voting  power  of  the  then  outstanding  voting  securities
     entitled to vote generally in the election of directors  (the
     "Outstanding Voting Securities") of ARCO immediately prior to
     such  Business  Combination  beneficially  own,  directly  or
     indirectly, more than 60 percent of, respectively,  the  then
     Outstanding Common Stock and the combined voting power of the
     then Outstanding Voting Securities entitled to vote generally
     in  the  election of directors, as the case may  be,  of  the
     corporation   resulting   from  such   Business   Combination
     (including,  without limitation, a corporation  which,  as  a
     result of such transaction, owns ARCO or all or substantially
     all  of ARCO's assets either directly or through one or  more
     subsidiaries) in substantially the same proportions as  their
     ownership, immediately prior to such Business Combination, of
     the   Outstanding   Common  Stock  and   Outstanding   Voting
     Securities, as the case may be;
     
                     (ii)  No  Person  (excluding any  corporation
     resulting  from  such Business Combination  or  any  employee
     benefit  plan (or related trust) of ARCO or such  corporation
     resulting from such Business Combination) beneficially  owns,
     directly  or indirectly, 25 percent or more of, respectively,
     the   then  Outstanding  Common  Stock  of  such  corporation
     resulting  from  such Business Combination  or  the  combined
     voting  power  of the then Outstanding Voting  Securities  of
     such  corporation, except to the extent that  such  ownership
     existed immediately prior to the Business Combination; and
     
                     (iii)      At least a majority of the members
     of  the board of directors of the corporation resulting  from
     such Business Combination were members of the Incumbent Board
     at  the time of the execution of the initial agreement, or of
     the   action  of  the  Board,  providing  for  such  Business
     Combination; or
     
                (2)   The  acquisition by any Person of beneficial
     ownership  (within the meaning of Rule 13d-3  or  Rule  13d-5
     promulgated under the Exchange Act) of 25 percent or more  of
     either  (i) the Outstanding Common Stock of ARCO or (ii)  the
     Outstanding  Voting  Securities of ARCO;  provided,  however,
     that for purposes of this Subsection (2), the following shall
     not  constitute a Change of Control:  (A) any acquisition  by
     any  employee  benefit plan (or related trust)  sponsored  or
     maintained by ARCO or any corporation controlled by ARCO; (B)
     any  acquisition  by  ARCO  or  any  increase  in  beneficial
     ownership  resulting solely from an acquisition by ARCO;  (C)
     any  acquisition by any corporation pursuant  to  a  Business
     Combination which complies with clauses (i), (ii)  and  (iii)
     of  Subsection (1); or (D) any acquisition directly from ARCO
     pursuant to a transaction (other than a Business Combination)
     approved  by  the  Board after July 28, 1997;  and  provided,
     further,  that in any event, without regard to the manner  in
     which  the  level of ownership is attained, the ownership  by

                                 - 2 -

<PAGE>
     any  Person  of 40 percent or more of the Outstanding  Common
     Stock  of ARCO or Outstanding Voting Securities of ARCO shall
     constitute a Change of Control; or
     
                 (3)   Individuals  who,  as  of  July  28,  1997,
     constitute  the Board (the "Incumbent Board") cease  for  any
     reason  to  constitute  at least a  majority  of  the  Board;
     provided,  however, that any individual becoming  a  director
     subsequent  to  such date whose election, or  nomination  for
     election by ARCO's stockholders, was approved by a vote of at
     least  a  majority  of  the  directors  then  comprising  the
     Incumbent Board shall be considered as though such individual
     were  a  member of the Incumbent Board, except that any  such
     individual  whose initial assumption of office  occurs  as  a
     result  of  an  actual  or threatened election  contest  with
     respect  to  the  election or removal of directors  or  other
     actual  or threatened solicitation of proxies or consents  by
     or on behalf of a Person shall not be considered an Incumbent
     Director; or
     
                (4)   Approval by the stockholders of  ARCO  of  a
     complete liquidation or dissolution of ARCO.
     
            (ff)   "Change  of  Control  Trust"  means  the  trust
     established  by  ARCO  to  provide for  the  payment  of  any
     benefits,  in whatever form is required, under this  Plan  on
     and after a Change of Control.
     
            (gg) "Exchange Act" means the Securities Exchange Act of
     1934, as amended.
     
            (hh)  "Person" means any individual, corporation,  firm,
     partnership,  governmental body, entity or  group  and  shall
     include  any  person  within  the  meaning  of  13(d)(3)   or
     14(d)(2) of the Exchange Act.
     
            (ii)  "Special  Plan Administrator"  means  the  entity
     designated  in the Change of Control Trust, which shall  have
     full  administrative powers under Section 3 of this  Plan  on
     and after a Change of Control, including, but not limited to,
     all   interpretive  and  decision  powers  reserved  to   the
     Committee or the Subcommittee prior to a Change of Control.

            (jj)  "Surviving Entity" means the entity which exists
following a Change of Control and which employs the individuals who
were Employees eligible for participation under Subsection 2(v) and
Section 4 immediately prior to the Change of Control."
     
3.   Sections 6 through 10 are renumbered as Sections 7 through 11
and a new Section 6 is added to the Plan to read as follows:

     "Section 6.    Change of Control

           (a)  If an Employee in Grade classification E0 through
     9 (or the equivalent thereof) as of the date of a Change of
     Control terminates employment from

                                  - 3 -

<PAGE>
     the Surviving Entity after the Change of Control under any of
     the circumstances described in Subsection 6(b), a cash payment
     shall be made to such Employee as described in Subsection 6(c).

           (b)  Termination of Employment shall mean termination of
     employment during the Benefit Trigger Window by the Surviving Entity,
     other than for cause, and with respect to Grades  E0 through E3 shall
     also mean the Employee's voluntary termination following the Surviving
     Entity's request to accept a (1) demotion to a lesser job, (2) reduction
     in Base Salary plus Salary Grade Target Award described under Subsection
     5(b) of ten percent or more, or (3) relocation of the principal place of
     work which would constitute a deductible moving expense under 217 of the
     Internal Revenue Code.  With respect to Grades E4, 10 and 9, only
     Clauses (2) and (3) shall apply.

           (c)  In the event of a Termination of Employment under Subsection
     6(b), as soon as possible following such termination, the Employee will
     be paid an Award equal to  the Salary Grade Target Award described under
     Subsection 5(b) multiplied by a fraction, the numerator of which is the
     number of months (or fraction thereof) the Employee was employed during
     the Performance Year prior to termination of employment in conjunction
     with the Change of Control and the denominator of which is twelve."


4.   Subsection 9(a) of the Plan is amended to read as follows:
     
          "(a) ARCO intends to establish a grantor trust to aid in
     accumulating the amounts necessary to pay any amount  awarded
     to a Participant for a Performance Year, or an Award deferred
     pursuant to Section 7 or any interest credited thereon.   All
     Awards, and any interest credited thereon, shall be paid from
     the  general funds of the Company to the extent not paid from
     the grantor trust. Under no circumstances shall a Participant
     or   other  person  have  any  interest  whatsoever  in   any
     particular property or assets of the Company as a  result  of
     this Plan or an Award made thereunder."
     
5.   Section 10 of the Plan is amended to read as follows:

     "Section 10.   Amendment, Suspension or Termination

          (a)  Except as provided under Subsections 10(b) and (c),
     the   Board  may  suspend,  terminate  or  amend  the   Plan.
     Amendment,  suspension or termination of the Plan  shall  not
     alter  the amount or payment of an Award made prior  to  such
     amendment, suspension or termination.

           (b)  The Plan may not be amended during an Anticipatory
     Change  of Control, except that the Board may amend the  Plan
     during  such  a  period as it may deem reasonably  necessary,
     upon  advice  of  counsel, to further the  interest  of the
     Company and its shareholders regarding any legal requirements
     and, provided further, that any such amendment which reduces,
     or could reduce, the value of any

                                 - 4 -

<PAGE>
     benefit of a Participant, as determined in the sole discretion
     of the Special Plan Administrator, shall provide substantially
     equivalent value in replacement thereof to the Participant.

           (c)   The Plan may not be amended or terminated  on  or
     after a Change of Control until all payments that may be  due
     pursuant to Subsection 6(c) of the Plan, as determined in the
     sole  discretion  of  the Special Plan Administrator  of  the
     Change of Control Trust, have been made."

     Executed this 27th day of March, 1998

ATTEST                             ATLANTIC RICHFIELD COMPANY


    /s/ ARMINEH AIMONIAN                /s/ JOHN H. KELLY
BY: ______________________         BY: _________________________
                                        John H. Kelly
                                        Senior Vice President
                                        Human Resources



                          AMENDMENT NO. 6
                                TO
                    ATLANTIC RICHFIELD COMPANY
                       ANNUAL INCENTIVE PLAN
                    ___________________________
                                 
Pursuant to the power of amendment reserved therein, the following
amendment is hereby made to the Atlantic Richfield Company  Annual
Incentive Plan (the "Plan") effective as of July 28, 1997.

1.    Section 2, Subsections (f), (j), (l), (bb), (ff) and (ii) of
the Plan are amended to read as follows:

           "(f)  "Award"  means an annual award to  a  participant
     pursuant to Section 7 of the Plan."
     
           "(j)  "Board"  means  the Board of  Directors  of  ARCO
     established by the Articles of Incorporation of ARCO."
     
           "(l) "Committee" means the Organization and Compensation
     Committee of the Board."
     
           "(bb)     "Anticipatory Change of Control" means (1) the
     execution of an agreement or a written document which, if the
     subject thereof were consummated, would result in a Change of
     Control;  (2) a public announcement by any Person,  including
     ARCO,   of   an  intent  to  take  an  action(s)  which,   if
     consummated, would result in a Change of Control; or (3)  the
     delivery of a signed, written statement to the Trustee of the
     Change of Control Trust and ARCO's Independent Auditor by the
     Chief  Financial Officer of ARCO and General Counsel of  ARCO
     that an Anticipatory Change of Control is in effect, provided
     that,  with  respect to any of the above three circumstances,
     the  Anticipatory  Change of Control shall not  be  effective
     until approved by either the Board or the Executive Committee
     of the Board."
     
           "(ff)      "Change  of Control Trust" means  the  trust
     established  by  ARCO  to  provide for  the  payment  of  any
     benefits,  in whatever form is required, under this  Plan  on
     and after a Change of Control."
     
           "(ii)     "Special Plan Administrator" means the entity
     designated  in the Change of Control Trust, which shall  have
     full  administrative powers under Section 3 of this  Plan  on
     and after a Change of Control, including, but not limited to,
     all   interpretive  and  decision  powers  reserved  to   the
     Committee prior to a Change of Control."
     
2.    Section  2, Subsection (jj) is deleted and a new  Subsection
(jj) is added to Section 2 of the Plan to read as follows:

          (jj) "Executive Committee" means the Executive Committee
          of the Board as established by the Board of Directors of
          ARCO."

                                  - 1 -

<PAGE>     
3.   Section 6, Subsections (a) and (b) of the Plan are amended to
read as follows:

           "(a) If an Employee in Grade classification E0, E1, E2,
     E3, E4,10 and 9 (or the equivalent thereof) as of the date of
     a  Change of Control terminates employment during the Benefit
     Trigger  Window under any of the circumstances  described  in
     Subsection  6(b),  a  cash payment  shall  be  made  to  such
     Employee as described in Subsection 6(c).

          (b)  Termination of Employment shall mean termination of
     employment during the Benefit Trigger Window, other than  due
     to  voluntary termination or for cause, and with  respect  to
     Grades  E0,  E1,  E2  and E3 shall also mean  the  Employee's
     voluntary  termination  following  management's  request   to
     accept a (1) demotion to a lesser job, (2) reduction in  Base
     Salary  plus  Salary  Grade  Target  Award  described   under
     Subsection 5(b) of ten percent or more, or (3) relocation  of
     the  principal  place  of  work  which  would  constitute   a
     deductible  moving expense under 217 of the Internal  Revenue
     Code.  With respect to Grades E4, 10 and 9, only Clauses  (2)
     and (3) shall apply."


     Executed this 5th day of November, 1998

ATTEST                             ATLANTIC RICHFIELD COMPANY


   /s/ ARMINEH SIMONIAN                 /s/ JOHN H. KELLY
BY:______________________         BY: _________________________
                                        John H. Kelly
                                        Senior Vice President
                                        Human Resources



                        AMENDMENT NO. 10
                               TO
                   ATLANTIC RICHFIELD COMPANY
             1985 EXECUTIVE LONG-TERM INCENTIVE PLAN
                   ___________________________

Pursuant  to  authority contained in resolutions adopted  by  the
Board  of Directors on July 28, 1997, the following amendment  is
hereby made to the Atlantic Richfield Company 1985 Executive Long-
Term Incentive Plan (the "Plan"), effective July 28, 1997.

1.   Article I, Sections 2(b) and 2(e) of the Plan are amended to
     read as follows:

          "(b) "Change of Control" means:
     
                (i)  Consummation (F1) of a reorganization, merger or
     consolidation  or  sale  or  other  disposition  of  all  or
     substantially  all  of  the  assets  of  ARCO  (a  "Business
     Combination"), unless, in each case, following such Business
     Combination:

                     (1)   All  or  substantially  all  of   the
     individuals  and  entities who were the  beneficial  owners,
     respectively, of the then outstanding shares of common stock
     (the  "Outstanding Common Stock") of ARCO and  the  combined
     voting  power  of  the  then outstanding  voting  securities
     entitled to vote generally in the election of directors (the
     "Outstanding  Voting Securities") of ARCO immediately  prior
     to  such Business Combination beneficially own, directly  or
     indirectly, more than 60 percent of, respectively, the  then
     Outstanding  Common Stock and the combined voting  power  of
     the  then  Outstanding Voting Securities  entitled  to  vote
     generally in the election of directors, as the case may  be,
     of  the corporation resulting from such Business Combination
     (including,  without limitation, a corporation which,  as  a
     result   of   such  transaction,  owns  ARCO   or   all   or
     substantially  all  of  ARCO's  assets  either  directly  or
     through one or more subsidiaries) in substantially the  same
     proportions  as their ownership, immediately prior  to  such
     Business  Combination, of the Outstanding Common  Stock  and
     Outstanding Voting Securities, as the case may be;

                    (2)   No  Person (excluding any  corporation
     resulting  from  such Business Combination or  any  employee
     benefit  plan (or related trust) of ARCO or such corporation
     resulting from such Business Combination) beneficially owns,
     directly or indirectly, 25 percent or more of, respectively,
     the  then Outstanding Common Stock of such corporation
     resulting from such Business Combination or the combined
     voting power of the then Outstanding Voting

- ------------

(F1) In the case of the vesting of Restricted Stock and Performance-
     Based Restricted Stock under Article III, Section 4(c) and the
     vesting of Stock Options under Article II, Section 2(f), "approval
     by the shareholders of the Company" shall be substituted for
     "consummation" and the exceptions under clause (1) thru (3) shall
     not apply.

                                     - 1 -

<PAGE>
     Securities of such corporation, except to the extent that such
     ownership existed immediately prior to the Business Combination;
     and

                     (3)   At least a majority of the members  of
     the  board  of  directors of the corporation resulting  from
     such  Business  Combination were members  of  the  Incumbent
     Board at the time of the execution of the initial agreement,
     or  of  the action of the Board, providing for such Business
     Combination; or

                (ii)  The acquisition by any Person of beneficial
     ownership  (within the meaning of Rule 13d-3 or  Rule  13d-5
     promulgated under the Exchange Act) of 25 percent (F2) or more
     of  either (A) the Outstanding Common Stock of ARCO  or  (B)
     the   Outstanding  Voting  Securities  of  ARCO;   provided,
     however,  that  for  purposes of this Subsection  (ii),  the
     following  shall not constitute a Change of  Control:   (aa)
     any  acquisition  by any employee benefit plan  (or  related
     trust)  sponsored or maintained by ARCO or  any  corporation
     controlled  by  ARCO; (bb) any acquisition by  ARCO  or  any
     increase  in beneficial ownership resulting solely  from  an
     acquisition by ARCO; (cc) any acquisition by any corporation
     pursuant  to  a  Business Combination  which  complies  with
     clauses  (1),  (2) and (3) of Subsection (i);  or  (dd)  any
     acquisition  directly from ARCO pursuant  to  a  transaction
     (other  than a Business Combination) approved by  the  Board
     after  July  28, 1997; and provided, further,  that  in  any
     event,  without regard to the manner in which the  level  of
     ownership  is  attained, the ownership by any Person  of  40
     percent  or more of the Outstanding Common Stock of ARCO  or
     Outstanding  Voting  Securities of ARCO shall  constitute  a
     Change of Control; or

                (iii)      Individuals who, as of July 28,  1997,
     constitute the Board (the "Incumbent Board") cease  for  any
     reason  to  constitute  at least a majority  of  the  Board;
     provided,  however, that any individual becoming a  director
     subsequent  to  such date whose election, or nomination  for
     election by ARCO's stockholders, was approved by a  vote  of
     at  least  a  majority of the directors then comprising  the
     Incumbent   Board  shall  be  considered  as   though   such
     individual were a member of the Incumbent Board, except that
     any  such  individual  whose initial  assumption  of  office
     occurs  as  a  result  of an actual or  threatened  election
     contest with respect to the election or removal of directors
     or  other  actual or threatened solicitation of  proxies  or
     consents by or on behalf of a Person shall not be considered
     an Incumbent Director (F3); or

- --------------------

(F2) This percentage shall be 40% in the case of the Vesting of Prospective
     Dividend Share Credits under Article IV, Section 4 of the Plan and the
     Pro Rata Payment of Contingent Restricted Stock under Article III,
     Section b(v) of the Plan.

(F3) This provision shall not apply in the case of the Vesting of Prospective
     Dividend Share Credits under Article IV, Section 4 of the Plan and the
     Pro Rata Payment of Contingent Restricted Stock under Article III,
     Section b(v) of the Plan.

                                   - 2 -
<PAGE>
                (iv)  Approval by the stockholders of ARCO  of  a
     complete liquidation or dissolution of ARCO."

          "(e)  "Company" means ARCO and its Subsidiaries."

2.   Sections (aa), (bb), (cc), (dd), (ee), (ff) and (gg) are added to
Article I, Section 2 of the Plan to  read  as follows:
     
           (aa)  "Anticipatory Change of Control" means  (i)  the
     execution  of an agreement or a written document  which,  if
     the  subject  thereof were consummated, would  result  in  a
     Change of Control; (ii) a public announcement by any Person,
     including ARCO, of an intent to take an action(s) which,  if
     consummated, would result in a Change of Control;  or  (iii)
     the  delivery of a signed, written statement to the  Trustee
     of  the  Change  of  Control Trust  and  ARCO's  Independent
     Auditor  by the Chief Financial Officer and  General
     Counsel of ARCO that an Anticipatory Change of Control is in
     effect,  provided  that, with respect to any  of  the  above
     three  circumstances,  the Anticipatory  Change  of  Control
     shall not be effective until approved by either the Board or
     the Executive Committee of the Board.

           (bb)  "ARCO"  means  Atlantic Richfield  Company,  its
     successors and assigns.

           (cc)  "Change  of  Control  Trust"  means  the  trust
     established  by  ARCO  to provide for  the  payment  of  any
     benefits, in whatever form is required, under this  Plan  on
     and after a Change of Control.
     
           (dd) "Exchange Act" means the Securities Exchange  Act
     of 1934, as amended.
     
           (ee) "Person" means any individual, corporation,  firm
     partnership,  governmental body, entity or group  and  shall
     include  any  person  within  the  meaning  of  13(d)(3)  or
     14(d)(2) of the Exchange Act.

           (ff)  "Prospective Dividend Share Credits"  means  the
     amount of Dividend Share Credits which would be earned  with
     respect  to  a Stock Option during the period commencing  on
     the  date  of  a  Change of Control and  concluding  on  the
     expiration  date  of the term of the Stock Option,  assuming
     (i)  no  exercise  of the Option; (ii) a fixed  Fair  Market
     Value  of  a  share  of Common Stock,  and  (iii)  a  fixed
     dividend, on such Common Stock.  Both Fair Market Value  and
     the  dividend rate shall be determined as of the record date
     of the quarterly dividend on such Common Stock immediately
     preceding the Change of Control.
     
           (gg)  "Special  Plan Administrator" means  the  entity
     designated  in  the Change of Control Trust as  having  full
     Administrative powers under Article I, Section 3 of the Plan
     on and after a Change of Control, including, but not limited

                                - 3 -
<PAGE>
     to, all interpretive and decision powers reserved to the
     Committee  or the Subcommittee prior  to  a  Change  of Control."
     
3.   Article I, Section 3 of the Plan is amended to read as follows:

     "Section 3.    Administration of the Plan

                (a)  Prior to a Change of Control, the Plan shall
     be administered by the Committee or, where specified herein,
     by  the  Subcommittee.  The Committee  or  Subcommittee,  as
     applicable,  is authorized to interpret the Plan,  to  adopt
     such  rules  and  regulations as may from time  to  time  be
     deemed  necessary for the effective operation of  the  Plan,
     and  to  act  upon all matters relating to the  granting  of
     awards  under  the Plan.  Any determination, interpretation,
     construction or other action made or taken pursuant  to  the
     provisions  of the Plan by or on behalf of the Committee  or
     Subcommittee,  as  applicable, shall be final,  binding  and
     conclusive  for all purposes and upon all persons including,
     without  limitation, the Company, the Company's shareholders
     and  Eligible  Employees and their respective successors  in
     interest.
     
                (b)   On  and After a Change of Control the  Plan
     shall  be  administered  by the Special  Plan  Administrator
     which   shall   have  all  powers  of  the   Committee   and
     Subcommittee described under Subsection 3(a).
     
                (c)   No member of the Committee or Subcommittee,
     or the Special Plan Administrator, as applicable, shall be
     personally liable by reason of any contract or other instrument
     executed by such member, or on such member's behalf, in such
     member's capacity as a member of the Committee or Subcommittee
     nor for any mistake of judgment made in good faith, and the
     Company shall indemnify and hold harmless each member of the
     Committee or Subcommittee, as applicable, and each other officer,
     employee  or  director of the Company to whom  any  duty  or
     power  relating  to the administration or interpretation  of
     the  Plan  has been delegated, against any cost  or  expense
     (including  counsel  fees) or liability (including  any  sum
     paid  in  settlement  of a claim with the  approval  of  the
     Committee  or  Subcommittee)  arising  out  of  any  act  or
     omission in connection with the Plan unless arising  out  of
     such person's own fraud or bad faith.

                (d)   Subject  to  the terms and  limitations  of
     Subsection  1(a) of Article II and Section 1 of Article  III
     of  the  Plan, the Committee or Subcommittee or Special Plan
     Administrator, as applicable, may  at  the  time  of the annual
     grants,  make  adjustments within the Total Investment Value
     applicable to all Eligible Employees  provided  that  any
     reallocation  resulting  from changes  in  individual grants
     may be made only to  Eligible Employees in the same Salary
     Grade Level as  the  affected individuals,  so that the Total
     Investment Value  by  Salary Grade Level may not be exceeded."

                                 - 4 -

<PAGE>
4.   Article II, Section 2(d)(i) of the Plan is amended to read as follows:
     
          "(i) If an optionee's Employment is terminated prior to
     entitlement to exercise all or a portion of a grant of Stock
     Options, the optionee will immediately be entitled to exercise
     all of his or her outstanding Stock Options during the remainder
     of the term of the Stock Options, if the optionee's termination
     is   due   to  (1)  total  and  permanent  disability,   (2)
     termination,  other  than for cause,  with  a  right  to  an
     immediate allowance under a retirement plan of the  Company,
     or (3) involuntary termination, other than for cause."
     
5.    Article  II,  Section 2(f) of the Plan  is  re-lettered  as Section
2(g) and a new Article II, Section 2(f) is added to  read as follows:
     
           "(f)   Change  of Control.  Upon the occurrence  of  a
     Change  of  Control,  a  Participant shall  be  entitled  to
     exercise  any  outstanding  Stock  Options  which  are   not
     otherwise exercisable immediately preceding such a Change of
     Control."

6.    Article  III, Section 3(b)(iii) of the Plan is  amended  to
read as follows:

           "(iii)     If  a  grantee's Employment  is  terminated
     within  24  months  following the grant of Performance-Based
     Restricted  Stock due to (1) total and permanent disability;
     (2)  involuntary  termination, other  than  for  cause;  (3)
     termination,  other  than for cause,  with  a  right  to  an
     immediate  retirement allowance under a retirement  plan  of
     the Company; or (4) death, such stock shall be deemed vested
     on the day the grantee's employment is terminated."
     
7.   Article III, Section 3(b)(v) is added to the Plan to read as follows:
     
           "(v) (1)  If a Change of Control occurs following  any
     grant  of  Contingent Restricted Stock, any actual award  of
     Performance-Based  Restricted Stock  to  which  the  grantee
     would  otherwise  be entitled in respect of such  Contingent
     Restricted Stock, based on the Company's Performance Ranking
     for  the year of the Performance Period on the date  of  the
     Change  of  Control  under the applicable  Restricted  Stock
     Payment Schedule, shall be satisfied by the grant of  shares
     of  Common  Stock.  The number of shares shall be determined
     by   multiplying  the  Contingent  Restricted  Stock  by   a
     fraction,  the numerator of which is the number of completed
     months (or fraction thereof) in the Performance Period as of
     the date of the Change of Control and the denominator of which
     is the number of months in such Performance Period.

                     (2)  If a Change of Control under Article I,
     Section 2(e)(i), other than by reason of the application of
     Footnote  1, occurs, and a grantee of Contingent  Restricted
     Stock is terminated by the Company prior to a Person attaining
     an ownership  level  of 40 percent or more of  the  Outstanding
     Shares  of Stock of the Company or the corporation resulting
     from  a  Business  Combination,

                                  - 5 -

<PAGE>
     as  defined  in  Article  I, Section  2(e)(i),  any  actual 
     award  of  Performance-Based Restricted  Stock  to which the
     grantee would  otherwise  be entitled, based on the Company's
     performance ranking  as  of the earlier of (A) the end of the
     Performance Period, or (B) the occurrence of a Change of Control
     by reason of the application of Footnote 1 to such subsection,
     shall be multiplied by a fraction, the numerator of which is
     the  number of completed months (or fraction thereof) of the
     Performance  Period as of the grantee's date of  termination
     and the denominator of which is the number of months in such
     Performance  Period, with payment to be made  in  shares  of
     Common Stock."
     
8.   Article  III, Section 4 of the Plan is amended to  read  as follows:
     
     "Section 4.    Waiver and Lapse of Restrictions
     
               (a)  Restrictions upon vesting and transferability
     of  Restricted Stock may be permitted to lapse as originally
     provided  by  the  Subcommittee at the  time  of  grant,  as
     provided  in  the Plan or otherwise as the Subcommittee  may
     determine in its sole discretion.
     
               (b)  Restrictions upon vesting and transferability
     of   Performance-Based  Restricted  Stock  shall  lapse   as
     provided in Section 3 of this Article III.
     
               (c)  All   shares  of  Restricted  Stock   and
     Performance-Based Restricted Stock shall  be  deemed  vested
     upon the occurrence of a Change of Control."

9.   Article III, Section 5(b) of the Plan is amended to read as follows:
     
           "(b)  If, prior to the end of a Performance Period,  a
     grantee of Contingent Restricted Stock terminates Employment
     due  to (i) total and permanent disability; (ii) involuntary
     termination,  other  than for cause; or  (iii)  termination,
     other   than  for  cause,  with  a  right  to  an  immediate
     retirement allowance under a retirement plan of the Company,
     the  grantee  shall  be  paid  the  value  determined  under
     Subsection 5(a) of this Article III as of the date  of  the
     grantee's termination, with payment to be made in shares of
     Common Stock at the end of the Performance Period."
     
10.  Article IV, Section 4 is added to the Plan to read as follows:
     
     "Section 4.    Prospective Dividend Share Credits
     
                (a)   Upon the occurrence of a Change of Control,
     the  Prospective  Dividend Share  Credits  allocable  to  an
     optionee, as of the date of the Change of Control, shall  be
     credited  to  the account of the optionee, as  described  in
     Subsection (b), and no further Dividend Share Credits  shall
     accrue with respect to such optionee.
     
                                 - 6 -

<PAGE>
                (b)   As of the date of a Change of Control,  the
     Dividend  Share  Credits that would  be  earned  under  each
     outstanding Stock Option for the remaining term of the Stock
     Option shall be calculated, assuming no further exercises of
     the  Stock Option and using the dividend rate and  the  Fair
     Market  Value  of a Share of Common Stock  as  of  the  most
     recent  dividend record date relating to Common Stock.   The
     resulting number of Dividend Share Credits shall be added to
     the Dividend Share Credits held in the Participant's account
     as  of  the  date  of  the Change of Control  and  all  such
     Dividend  Share  Credits shall be treated as credited  under
     Article  I, Subsection 2(n) of the Plan, and the Participant
     shall  be  entitled to payment in shares of Common Stock  of
     the number of Dividend Share Credits relating to an exercise
     of Stock Options in accordance with Article IV of the Plan."
     
11.  Article V, Section 2 of the Plan is amended to read as follows:
     
     "Section 2.  Adjustment in Terms of Award
     
                  In    the    event    of   a    reorganization,
     recapitalization, stock split, stock dividend,  distribution
     of  assets  other than pursuant to a normal  cash  dividend,
     combination   of   shares,  merger,  consolidation,   rights
     offering, split-up, split-off, spin-off or any other  change
     in  the  corporate structure or shares of the Company (other
     than  a  Change  of  Control), the  Committee  may,  in  its
     discretion,  after  consultation with the  Chairman  of  the
     Board   and   the   President  of  ARCO,  make   appropriate
     adjustments  to  reflect such event in respect  of  (a)  the
     limitation  in  Section 1 of this Article V on  the  maximum
     number  of  shares of Common Stock upon which Stock  Options
     may  be  granted or which may be the subject of a  grant  of
     Restricted Stock or Performance-Based Restricted Stock,  (b)
     the  number  of shares of Common Stock covered by,  and  the
     exercise  price  per share applicable to, outstanding  Stock
     Options, (c) the number of shares of Common Stock covered by
     outstanding  awards of Restricted Stock or Performance-Based
     Restricted Stock, and (d) the number of outstanding Dividend
     Share  Credits  allocated to optionees'  accounts.   In  the
     event  that  the  Committee,  after  consultation  with  the
     Chairman  of the Board and the President of ARCO, determines
     that,  because of a change (other than a Change of  Control)
     in  the Company's business, operations, corporate structure,
     capital  structure, assets or manner in  which  it  conducts
     business,  which it deems to be extraordinary and  material,
     the  terms of awards theretofore made are no longer suitable
     to the objectives which the Committee sought to achieve when
     it  made such awards, it may modify the terms of any or  all
     of such awards in such manner as it may decide is advisable;
     provided, however, that no award may be modified in a manner
     which  would  be inconsistent with the intent of  Subsection
     1(b)  or Section 9 of this Article V, or which would  result
     in an increase in the shares of Performance-Based Restricted
     Stock."

12.  Article V, Section 9 of the Plan is amended to read as follows:

                                 - 7 -

<PAGE>
     "Section 9.  Amendment and Discontinuance of the Plan
     
                The Board may amend or discontinue the Plan as it
     shall from time to time consider desirable, provided that:
     
                (a)   Except  as  provided under  Subsection  (c)
     hereof, no amendment shall, without further approval by  the
     holders of a majority of the shares which are represented in
     person or by proxy and entitled to vote on the subject at  a
     meeting  of  shareholders of ARCO, change the terms  of  the
     Plan  so  as  to increase the maximum number of shares  upon
     which  Stock Options may be granted or which may  be  issued
     upon  a  grant  of  Restricted  Stock  or  Performance-Based
     Restricted  Stock or the payment of Dividend  Share  Credits
     from  the amounts described in Subsections 1(a) and  (b)  of
     this  Article V, reduce the minimum Stock Option  price,  or
     extend the maximum Stock Option period.
     
                (b)   Except  as  provided under  Subsection  (c)
     hereof,  no  amendment, discontinuance or termination  shall
     deprive  persons  who  hold shares of Contingent  Restricted
     Stock,  Restricted  Stock  or  Performance-Based  Restricted
     Stock, or who are entitled to exercise Stock Options, or  to
     receive  a settlement of Dividend Share Credits pursuant  to
     the  terms and provisions of the Plan, of their rights  with
     respect thereto.
     
                (c)  No amendment may be made during the period of
     an Anticipatory Change of Control, except that the Board may
     amend  the  Plan  during  such  a  period  as  it  may  deem
     necessary,  upon advice of counsel, to further the  interest
     of  the  Company, its shareholders and the Plan participants
     regarding any legal requirements that may be applicable to a
     Change    of   Control,   including,   without   limitation,
     satisfaction  of any requirements relating to  accomplishing
     "Pooling"  treatment under applicable accounting rules,  and
     any Securities Exchange Act rules or tax rules.

                (d)  The Plan may not be amended or terminated on
     or after a Change of  Control until  all  Outstanding  Stock
     Options  have been exercised or expired and all payments  of
     Contingent Restricted Stock under the Plan have been made."

13.  Article  V,  Section 11 of the Plan is amended  to  read  as follows:

     "Section 11.   Term of Plan

           No  Stock  Options  or  Contingent  Restricted  Stock,
     Restricted Stock or Performance-Based Restricted  Stock  may
     be granted after February 24, 2007."

                                  - 8 -

<PAGE>
Executed this 27th day of March, 1998.


ATTEST                             ATLANTIC RICHFIELD COMPANY


    /s/ ARMINEH SIMONIAN                /s/ JOHN H. KELLY
BY: ______________________         BY:_________________________
                                        John H. Kelly
                                        Senior Vice President
                                        Human Resources

                                -9 -

                                
                        AMENDMENT NO. 11
                               TO
                   ATLANTIC RICHFIELD COMPANY
             1985 EXECUTIVE LONG-TERM INCENTIVE PLAN
             ______________________________________

Pursuant  to  the  power  of  amendment  reserved  therein,   the
following  amendment  is  hereby made to the  Atlantic  Richfield
Company  1985  Executive Long-Term Incentive Plan  (the  "Plan"),
effective as of July 28, 1997.

1.   Article  I, Subsections 2(c), (d), (s), (w), (aa), (cc)  and
     (gg) of the Plan are amended to read as follows:

            "(c)   "Committee"   means   the   Organization   and
     Compensation Committee of the Board."

            "(d)  "Common  Stock" means the common stock  of  ARCO
     having a par value of $2.50 per share."

            "(s) "Restriction Period" means the period specified by
     the  Subcommittee  at the time of grant of Restricted  Stock
     during  which the restriction and forfeitability  conditions
     described under Section 2 of Article III apply."

            "(w)  "Subsidiary" means any corporation, the majority
     of  the  voting stock of which, or any partnership or  joint
     venture,  the  majority of the profits interest  or  capital
     interest of which, is owned directly or indirectly  by  ARCO
     or a member of the Comparison Group, as applicable."

            "(aa)      "Anticipatory Change of Control" means  (i)
     the  execution of an agreement or a written document  which,
     if  the subject thereof were consummated, would result in  a
     Change of Control; (ii) a public announcement by any Person,
     including ARCO, of an intent to take an action(s) which,  if
     consummated, would result in a Change of Control;  or  (iii)
     the  delivery of a signed, written statement to the  Trustee
     of  the  Change  of  Control Trust  and  ARCO's  Independent
     Auditor  by the Chief Financial Officer of ARCO and  General
     Counsel of ARCO that an Anticipatory Change of Control is in
     effect,  provided  that, with respect to any  of  the  above
     three  circumstances,  the Anticipatory  Change  of  Control
     shall not be effective until approved by either the Board or
     the Executive Committee of the Board."

            "(cc)   "Change of Control Trust" means  the  trust
     established  by  ARCO  to provide for  the  payment  of  any
     benefits, in whatever form is required, under this  Plan  on
     and after a Change of Control."

            "(gg)   "Special Plan Administrator" means the entity
     designated  in  the Change of Control Trust as  having  full
     Administrative powers under Article I, Section 3 of this Plan
     on and after a Change of Control, including, but  not limited

                                  - 1 -
<PAGE>
     to, all interpretive and decision powers reserved to
     the  Committee  or the Subcommittee prior  to  a  Change  of
     Control."

2.   Article I, Subsections 2(hh) and 2(ii) are added to the Plan
     to read as follows:

           "(hh)   "Board" means the Board of Directors of ARCO
     established by the Articles of Incorporation of ARCO.
     
            (ii)   "Executive  Committee"  means  the   Executive
     Committee  of  the  Board as established  by  the  Board  of
     Directors of ARCO."
     
3.   Article I, Subsections 3(c) and (d) of the Plan are amended
to read as follows:
     
           "(c)  No  member of the Committee or Subcommittee,  as
     applicable,  shall be personally liable  by  reason  of  any
     contract or other instrument executed by such member, or  on
     such  member's behalf, in such member's capacity as a member
     of  the  Committee or Subcommittee nor for  any  mistake  of
     judgment made in good faith, and the Company shall indemnify
     and   hold   harmless  each  member  of  the  Committee   or
     Subcommittee,   as  applicable,  and  each  other   officer,
     employee  or  director of the Company to whom  any  duty  or
     power  relating  to the administration or interpretation  of
     the  Plan  has been delegated, against any cost  or  expense
     (including  counsel  fees) or liability (including  any  sum
     paid  in  settlement  of a claim with the  approval  of  the
     Committee  or  Subcommittee)  arising  out  of  any  act  or
     omission in connection with the Plan unless arising  out  of
     such person's own fraud or bad faith.
     
          (d)  Subject to the terms and limitations of Subsection
     1(a) of Article II and Section 1 of Article III of the Plan,
     the  Committee or Subcommittee, as applicable,  may  at  the
     time of the annual grants, make adjustments within the Total
     Investment  Value  applicable  to  all  Eligible   Employees
     provided  that  any reallocation resulting from  changes  in
     individual grants may be made only to Eligible Employees  in
     the same Salary Grade Level as the affected individuals,  so
     that  the  Total Investment Value by Salary Grade Level  may
     not be exceeded."

4.   Article II, Section 2(d)(i) of the Plan is amended to  read
as follows:

          "(i) If an optionee's Employment is terminated prior to
     entitlement to exercise all or a portion of a grant of Stock
     Options,  the optionee will be entitled to exercise  all  of
     his or her outstanding Stock Options during the remainder of
     the term of the Stock Options, if the optionee's termination
     is   due   to  (1)  total  and  permanent  disability,   (2)
     termination,  other  than for cause,  with  a  right  to  an
     immediate allowance under a retirement plan of the  Company,
     or (3) involuntary termination, other than for cause."

5.   Article III, Subsection 5(c) of the Plan is amended to read
as follows:

          "(c)  If, prior to the end of a Performance Period,  a
     grantee of Contingent Restricted Stock terminates Employment
     due  to death, the designated beneficiary

                                  - 2 -
<PAGE>
     of the grantee or, absent a beneficiary designation, his or
     her estate, shall be paid the value determined under Subsection
     5(a) of this Article III based on the Company's Performance
     Ranking for the year of the Performance Period which ends closest
     to the grantee's death, with payment to be made in shares of Common
     Stock as soon as practicable following  the end of such year
     of the Performance Period."

6.   Article V, Section 1 of the Plan is amended to read as follows:

           "(a)   The number of shares of Common Stock upon which
     Stock Options may be granted or which may be the subject  of
     a  grant of Restricted Stock or Performance-Based Restricted
     Stock  during a calendar year shall be eight-tenths  of  one
     percent (0.8%) of the total issued and outstanding shares of
     Common  Stock as of December 31 of the immediately preceding
     calendar  year.   Any shares of Common Stock  available  for
     grant  that  are  not made the subject of a grant  during  a
     calendar  year,  or portion thereof, will be  available  for
     grant in any subsequent year, or portion thereof, until  the
     end of the term of the Plan.  The number of available shares
     described   in  the  preceding  sentences  is   subject   to
     adjustment as provided in Section 2 of this Article V.   The
     shares shall be made available from authorized Common Stock,
     issued or unissued, or from Common Stock issued and held  in
     the  treasury of the Company as shall be determined  by  the
     Committee.  Shares of Common Stock subject to Stock Options,
     shares  of  Restricted Stock and shares of Performance-Based
     Restricted  Stock that are canceled pursuant  to  Subsection
     2(d) of Article II, Section 2 of Article III or Section 5 of
     Article III of the Plan may be reallocated under the Plan.

           (b)   No  individual may be granted more than  500,000
     shares  of  Restricted  Stock, Performance-Based  Restricted
     Stock  and/or  Stock Options, regardless of the combination,
     in any calendar year."


7.   Article III, Subsection 3(b)(v)(2) of the Plan is amended to
read as follows:

           "(2)  If a Change of Control under Article I,  Section
     2(b)(ii),  other  than  by  reason  of  the  application  of
     Footnote  2, occurs, and a grantee of Contingent  Restricted
     Stock is terminated by the Company after a Person attains an
     ownership level of 25 percent but before a Change of Control
     occurs  for  any  other  reason or  any  Person  attains  an
     ownership  level  of 40 percent or more of  the  Outstanding
     Shares  of Stock of the Company or the corporation resulting
     from  a  Business  Combination, as  defined  in  Article  I,
     Section  2(b)(i),  any  actual  award  of  Performance-Based
     Restricted  Stock  to which the grantee would  otherwise  be
     entitled, based on the Company's performance ranking  as  of
     the earlier of (A) the end of the Performance Period, or (B)
     the  occurrence  of a Change of Control  by  reason  of  the
     application  of  Footnote 2 to Article I, Section  2(b)(ii),
     shall be multiplied by a fraction, the numerator of which is
     the  number of completed months (or fraction thereof) of the
     Performance  Period as of the grantee's date of  termination
     and the denominator of which is the number of

                                  - 3 -
<PAGE>
     months in such Performance  Period, with payment to be made 
     in  shares  of Common Stock."
     
     
Executed this 5th day of November, 1998.


ATTEST                             ATLANTIC RICHFIELD COMPANY


    /s/ ARMINEH SIMONIAN                 /s/ JOHN H. KELLY
BY: ______________________         BY: _________________________
                                        John H. Kelly
                                        Senior Vice President
                                        Human Resources

                               - 4 -



   The following Amendment No. 6 to the Atlantic Richfield Special
  Terminiation Allowance Plan contains the current change of control
  provisions applicable to the Company's executive management team,
    including its five most highly compensated executed officers.

                                
                         AMENDMENT NO. 6
                               TO
                       ATLANTIC RICHFIELD
               SPECIAL TERMINATION ALLOWANCE PLAN
                  _____________________________


Pursuant to the power of amendment reserved therein, the Atlantic
Richfield  Special  Termination Allowance Plan  (the  "Plan")  is
hereby amended effective as of July 28, 1997.

1. Section 3, Paragraphs 3.15, 3.19 and 3.20 of the  Plan  are
amended to read as follows:

   "3.15  "Anticipatory Change of Control"  means  (a)
          the  execution  of  an agreement or a written  document
          which,  if the subject thereof were consummated,  would
          result   in   a  Change  of  Control;  (b)   a   public
          announcement  by  any  Person, including  ARCO,  of  an
          intent  to  take  an action(s) which,  if  consummated,
          would  result  in  a  Change of  Control;  or  (c)  the
          delivery of a signed, written statement to the  Trustee
          of  the  Change of Control Trust and ARCO's Independent
          Auditor  by  the Chief Financial Officer  of  ARCO  and
          General Counsel of ARCO that an Anticipatory Change  of
          Control  is  in effect, provided that, with respect  to
          any  of the above three circumstances, the Anticipatory
          Change of Control shall not be effective until approved
          by  either the Board or the Executive Committee of  the
          Board."
     
   "3.19  "Change  of  Control  Trust"  means  the   trust
          established by ARCO to provide for the payment  of  any
          benefits, in whatever form is required, under this Plan
          on and after a Change of Control."
     
   "3.20  "Special  Plan  Administrator" means  the  entity
          designated in the Change of Control Trust, which  shall
          have full administrative powers under this Plan on  and
          after  a  Change of Control, including, but not limited
          to,  all  interpretive and decision powers reserved  to
          the Administrator prior to a Change of Control."

2.  Section  3,  Paragraph  3.21 of the  Plan  is  deleted  and
Paragraph  3.22 is renumbered as Paragraph 3.21.  New  Paragraphs
3.22, 3.23 and 3.24 are added to the Plan to read as follows:


                                  - 1 -
<PAGE>
   "3.22  "Board"  means  the Board of  Directors  of  ARCO
          established by the Articles of Incorporation of ARCO.
     
   3.23   "Executive Committee" means the Executive Committee  of
          the  Board as established by the Board of Directors  of
          ARCO.
     
   3.24   "Severance   Plan"   means  the   Special   Termination
          Allowance  Plan,  Enhanced Retirement  Plan  (i.e.,  an
          improvement   over   the  basic  retirement   allowance
          applicable  for a limited period of time  such  as  the
          "5+5"  Enhanced  Retirement  Plan  benefit  under   the
          Atlantic Richfield Retirement Plan II effective October
          2,  1998)  and/or such other severance  plan  generally
          applicable to Employees involuntarily terminated by the
          Company, as such plan or plans may be in effect on  the
          date immediately preceding a Change of Control."

3.   Section 6 of the Plan is amended to read as follows:

                           "SECTION 6
                                
        ALLOWANCES PAYABLE FOLLOWING A CHANGE OF CONTROL
                                
    6.1   Notwithstanding any other provision of the  Plan,
          if  an Employee is terminated from employment under any
          of  the  circumstances described under  Paragraph  6.2,
          during the Benefit Trigger Window, the Employee will be
          paid  a single cash allowance as described in Paragraph
          6.3, as soon as possible following such termination.

    6.2   Notwithstanding any other provision of this Plan,
          Termination  of  Employment shall mean  termination  of
          employment, other than due to voluntary termination  or
          for  cause, during the Benefit Trigger Window and shall
          include such additional circumstances of termination as
          described in footnote 4 of Paragraph 6.3.

     6.3  Following Termination of Employment of a Participant, as
          described in Paragraph 6.2, a cash payment, as chosen by the
          Participant, shall be made as prescribed under the following
          payment schedule:
     
                                 - 2 -

<PAGE>     
                           PARTICIPANT CHOICES:         
                         (1)  Multiple of Covered       
         EMPLOYEE          Compensation (F1); or        CONSTRUCTIVE
           GRADE         (2)  Severance Plan (F2)     TERMINATION (F3)
         --------        ------------------------     ----------------  
          EO & E1        3 x CC or Severance                Yes
            E2           3 x CC or Severance                Yes
            E3           2 x CC or Severance                Yes
            E4           1-1/2 x CC or Severance          Limited
          10 & 9         1 x CC or Severance              Limited
         8 & below       1/2 x CC or Severance            Limited
     

     6.4  Special Tax Allowance

          (a)  A  special  cash allowance shall be paid  to  each
               Employee  in Grades E0, E1, E2 and E3 as  soon  as
               possible following the end of the Benefit  Trigger
               Window in an amount equal to any excise tax  which
               has  been assessed (or, in the sole discretion  of
               the  Special Plan Administrator will be  assessed)
               against   the   Employee   under   4999   ("Golden
               Parachute Payments") of the Internal Revenue  Code
               (the "Code").

         (b)   As to all Employees Grade E4 or below,
               the  Special Plan Administrator shall, in its sole
               discretion, review the value of all benefits  paid
               and which may become payable to a Participant from
               time-to-time and determine whether (i)  the  total
               amount  should  be  frozen  at  the  amount  which
               constitutes    a    "Parachute   Payment"    under
               2806(b)(2)  of the Code, and if so, the allocation
               of  payments  to achieve such result or  (ii)  the
               total amount should be continued to be paid to the
               Participant  pursuant to plan  provisions  without
               regard  to the application of  2806 and   4999  of
               the  Code.   If the amount under Subparagraph  (i)
               exceeds  the  amount paid under Subparagraph  (ii)
               after  assessment  of any applicable  taxes 

- ----------------

(F1)  Covered Compensation ("CC") is the amount equal to the sum of (a)
      annualized Pay and the average of any lump sum merit adjustments
      of Pay for each of the prior 3 years, plus (b) either (i) the
      average of the non-Atlantic Richfield Annual Incentive Plan (AIP)
      bonus for each of the prior 3 years, or (ii) the greater of the
      AIP Award for each of the prior 3 years or the current year Target
      AIP Award (as defined in the AIP).

(F2)  Severance Plan ("Severance") means the Severance Plan as defined
      in Section 3.22 of this Plan.

(F3)  Constructive termination means an Employee's election to terminate
      following management's request to (a) accept a demotion to a lesser
      job, (b) accept a reduction in Pay plus the Target AIP Award (as
      defined in the AIP) by 10% or more, or (c) accept a new principal
      place of work which would qualify for deduction of moving expenses
      under Section 217 of Internal Revenue Code.  For all Employees below
      Grade E3, constructive termination is limited as follows:  Only
      provisions (b) and (c) apply and for Employees Grade 8 or below,
      provision (b) shall apply only to Pay.

                                     - 3 -
<PAGE>
               under Section 4999 of the Code, the excess amount
               shall be paid to the Participant as soon as
               possible following such determination by the
               Special Plan Administrator."
         

4.   Section  9, Paragraph 9.3(a) of the Plan is amended  to read as follows:

        "9.3   (a)  During an Anticipatory Change of Control
               the  Plan may not be amended, except to the extent
               required  to comply with legal requirements,  upon
               advice   of  Counsel,  and  in  any  event,   such
               amendment  may be adopted only by the Board.   Any
               such  amendment during a period of an Anticipatory
               Change  of  Control  which  reduces  benefits   or
               otherwise   adversely  affects  the   payment   of
               benefits  to which an Employee would otherwise  be
               eligible   or   would  have  been  eligible   upon
               termination  of employment following a  Change  of
               Control,  as determined in the sole discretion  of
               the  Special  Plan  Administrator,  shall  provide
               substantially  equivalent  value  in   replacement
               thereof to the Participant."

    Executed this 5th day of November, 1998.


ATTEST                             ATLANTIC RICHFIELD COMPANY


     /s/ ARMINEH SIMONIAN                /s/ JOHN H. KELLY
BY: ______________________         BY: ____________________________
                                             JOHN H. KELLY
                                         Senior Vice President
                                             Human Resources


                                 - 4 -

<TABLE> <S> <C>

<ARTICLE>         5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Statement of Income and the Consolidated Balance Sheet and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          $1,070
<SECURITIES>                                       232
<RECEIVABLES>                                      975
<ALLOWANCES>                                         0
<INVENTORY>                                        502
<CURRENT-ASSETS>                                 3,086
<PP&E>                                          38,437
<DEPRECIATION>                                 (18,938)
<TOTAL-ASSETS>                                  26,230
<CURRENT-LIABILITIES>                            5,303
<BONDS>                                          4,511
                                0
                                          1
<COMMON>                                           815
<OTHER-SE>                                       7,741
<TOTAL-LIABILITY-AND-EQUITY>                    26,230
<SALES>                                          7,755
<TOTAL-REVENUES>                                 8,101
<CGS>                                            6,840
<TOTAL-COSTS>                                    7,250
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 326
<INCOME-PRETAX>                                    (47)
<INCOME-TAX>                                      (128)
<INCOME-CONTINUING>                                 60
<DISCONTINUED>                                   1,186
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,246
<EPS-PRIMARY>                                    $3.88
<EPS-DILUTED>                                    $3.81
        

</TABLE>


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